@misc{Groezinger1993,
  author    = {Gr{\"o}zinger, Karl Erich},
  title     = {The Buber-Scholem Controversy about Hasidic Tale and Hasidism - is there a solution?},
  url       = {http://nbn-resolving.de/urn:nbn:de:kobv:517-opus-18673},
  year      = {1993},
  abstract  = {Excerpt: The shrill sounds of the now seemingly outdated controversy between Gershom Scholem and Martin Buber at the beginning of the sixties are still in the minds of every student of Hasidic literature and thought. - The "Scholem-community" feels content and the "Buber-community" upset. We can summarize the case in a few words. Martin Buber, the pioneer of Hasidism in the Western World, held the position that whoever would want to understand Hasidism had to turn to Hasidic tale as here, in the tales of the Hasidim, real Hasidic life was to be found. Whereas in the Hasidic homilies we meet mere non-creative tradition especially in the form of Kabbalah. Buber did not totally deny the importance of the Hasidic Midrash but he regarded it just as a commentary, i.e. as secondhand material, whereas, in his view, the tale was a true mirror of real Hasidic life [...]},
  language  = {en}
}
@misc{AntonLaschewsky1993,
  author    = {Anton, Peter and Laschewsky, Andr{\´e}},
  title     = {Zwitterionic polysoaps with reduced density of surfactant side groups},
  url       = {http://nbn-resolving.de/urn:nbn:de:kobv:517-opus-17301},
  year      = {1993},
  abstract  = {Several zwitterionic polymers were prepared by radical homopolymerization of surfactant monomers which bear diallyl, diene or vinylcyclopropane moieties. These polymer systems were complemented by alternating copolymers of appropriate zwitterionic vinyl compounds. Thus, polymers with reduced (as compared with simple vinylic homopolymers, or statistical copolymers) and well defined density of surfactant side groups are obtained. The solubilities found for these polymers are dominated by polymer geometry rather than by the balance of hydrophilic and hydrophobic fragments, thus corroborating a main-chain spacer model proposed recently. All water-soluble polymers exhibit characteristic features of classical polysoaps, as shown by surface tension measurements and by solubilization of hydrophobic dyes. In contrast, the water-insoluble copolymers are capable to form stable monolayers at the air-water interface.},
  language  = {en}
}
@misc{Selting1993,
  author    = {Selting, Margret},
  title     = {Phonologie der Intonation : Probleme bisheriger Modelle und Konsequenzen einer neuen interpretativ-phonologischen Analyse},
  url       = {http://nbn-resolving.de/urn:nbn:de:kobv:517-opus-41948},
  year      = {1993},
  abstract  = {Ziel dieses Aufsatzes ist es zu zeigen, daß und weshalb Intonationsmodelle, die die Pr{\"a}missen des traditionellen systemisch-tonetischen Ansatzes teilen, ungeeignet sind f{\"u}r die Analyse nat{\"u}rlicher Sprachverwendung in konversationeller Interaktion. Insbesondere die Grundeinheit der 'Tpngruppe'/'Toneinheit'/'Intonationsphrase' wie auch die Analyse des 'Tonmusters' bzw. der letzten Tonh{\"o}henbewegung der Einheit im Hinblick auf die Unterscheidung und Differenzierung von Satzarten bzw. Satzmodi sind auf die Analyse kontextfreier S{\"a}tze zugeschnitten und kaum auf die Verh{\"a}ltnisse der Sprachverwendung in nat{\"u}rlicher konversationeller Interaktion {\"u}bertragbar. Eine alternative Analyse der Intonation als interaktiv relevantes Signalisierungssystem erm{\"o}glicht bessere und plausiblere Beschreibungen. Nleine alternative Konzeption basiert auf der empirischen Analyse eines Korpus nat{\"u}rlicher Daten aus informellen Alltagsgespr{\"a}chen. Das Ergebnis dieser Analyse ist, daß Intonation als unabh{\"a}ngiges, autonomes Signalisierungssystem aufgefaßt werden muß. F{\"u}r die derzeit {\"u}blichen Ans{\"a}tze der phonologischen Intonationsforschung ergibt sich die Forderung nach noch st{\"a}rkerer als bisher angenommener Modularisierung: Zwar steht die Wahl der Akzentstelle in systematischer Beziehung zu grammatischen Prinzipien und muß mit Bezug auf die Grammatik analysiert werden, aber die Wahl der Tonh{\"o}henbewegung kann nicht mit Bezug auf die Grammatik erkl{\"a}rt werden: die letzte Tonh{\"o}henbewegung unterscheidet nicht grammatisch relevante Satzarten/Satzmodi, sondern interaktiv relevante Aktivit{\"a}tstypen in der konversationeilen Interaktion, die auch je unterschiedliehe sequentielle Implikationen f{\"u}r die konditioneil relevante Antwort haben.},
  language  = {de}
}
@misc{Eggensperger1993,
  author    = {Eggensperger, Karl-Heinz},
  title     = {Die Verbalflexion im Franz{\"o}sischunterricht an Deutschsprachige : Lehrinhaltsbestimmung und Progressionsplanung ; Lehrplan- und Lehrwerkanalyse},
  url       = {http://nbn-resolving.de/urn:nbn:de:kobv:517-opus-45146},
  year      = {1993},
  abstract  = {Die Arbeit hat die Inhalte der Verbalflexion im Franz{\"o}sischunterricht an Deutschsprachige und ihre Progression zum Gegenstand. Es wird ein von unbeabsichtigten L{\"u}cken freies und zugleich auf ein Minimum beschr{\"a}nktes System von temporalen und modalen Kategorien, Verbklassen und Regeln zur Bildung der zusammengesetzten Tempora und Modi sowie zur Angleichung des Participe pass{\´e} vorgeschlagen. Die Notwendigkeit, die sprachlichen Lehrinhalte zu reduzieren, ohne die {\"A}ußerungsm{\"o}glichkeiten der Sch{\"u}ler auf bestimmte Themen, Situationen oder Absichten zu beschr{\"a}nken, wird belegt durch L{\"u}cken, z.T. {\"u}berh{\"o}hte, z.T. in anderer Hinsicht korrekturbed{\"u}rftige Pensen in Grammatiken f{\"u}r den Franz{\"o}sischunterricht, in Lehrpl{\"a}nen und Lehrwerken. Der zweite Teil der Arbeit enth{\"a}lt pr{\"a}zise Empfehlungen f{\"u}r die chronologische Anordnung und Gruppierung der Lehrinhalte, da den Lehrplan- und Lehrwerkautoren bisher auch f{\"u}r die Planung der Progression verl{\"a}ßliche Grundlagen fehlten. Insgesamt soll die Arbeit einen nicht zeitgebundenen Beitrag zur Planung des Franz{\"o}sischunterrichts und zugleich eine Dokumentation des Forschungsstandes darstellen, der in Schulgrammatiken, Lehrpl{\"a}nen und Lehrwerken der letzten 30 Jahre erreicht wurde.},
  language  = {de}
}
@misc{AntonKoeberleLaschewsky1993,
  author    = {Anton, Peter and K{\"o}berle, Peter and Laschewsky, Andr{\´e}},
  title     = {Recent developments in the field of micellar polymers},
  url       = {http://nbn-resolving.de/urn:nbn:de:kobv:517-opus-17263},
  year      = {1993},
  abstract  = {This article describes recent achievements in the field of micellar polymers, or polysoaps. Taking advantage of zwitterionic model polymers, systematic variations of the molecular architecture have provided an improved understanding of the relationship between the molecular structure of the polymers and their key properties such as surface activity and solubilization capacity. Useful rules are established, which take into account much of the previous data in the literature.},
  language  = {en}
}
@misc{LaschewskySchulzHanke1993,
  author    = {Laschewsky, Andr{\´e} and Schulz-Hanke, Wolfgang},
  title     = {Ring-opening metathesis polymerization of amphiphilic norbornenes functionalized with non-linear optical (NLO) chromophores},
  url       = {http://nbn-resolving.de/urn:nbn:de:kobv:517-opus-26917},
  year      = {1993},
  abstract  = {Contents: Potential of amphiphilic NLO polymers Ring-opening metathesis polymerization (ROMP) Properties of the polymers Monolayer properties Experimental part - Methods - Materials - Analytical data - General polymerization procedure Conclusions},
  language  = {en}
}
@misc{SimonCabreraKliegl1993,
  author    = {Simon, Tony and Cabrera, Angel and Kliegl, Reinhold},
  title     = {A new approach to the study of subitizing as distinct enumeration processing},
  url       = {http://nbn-resolving.de/urn:nbn:de:kobv:517-opus-41083},
  year      = {1993},
  abstract  = {This paper presents a new methodology for examining the phenomenon of subitizing. Subjects were presented with a standard numerosity-detection task but for a range of presentation times to allow Task-Accuracy Functions to be computed for individual subjects. The data appear to show a continuous change in processing for numerosities from 2 to 5 when the data are aggregated across subjects. At the level of individual subjects, there appear to be qualitative shifts in enumeration processing after 3 or 4 objects. The approach used in this experiment may be used to test the claim that subitizing is a distinct enumeration process that can be used for small numbers of objects.},
  language  = {en}
}
@misc{KlieglSmithLindenbergeretal.1993,
  author    = {Kliegl, Reinhold and Smith, Jacqui and Lindenberger, Ulman and Mayr, Ulrich and Krampe, Ralf and Baltes, Paul B.},
  title     = {Max-Planck-Institut f{\"u}r Bildungsforschung Berlin},
  url       = {http://nbn-resolving.de/urn:nbn:de:kobv:517-opus-41124},
  year      = {1993},
  language  = {de}
}
@misc{MayrKliegl1993,
  author    = {Mayr, Ulrich and Kliegl, Reinhold},
  title     = {Sequential and coordinative complexity : age-based processing limitations in figural transformations},
  url       = {http://nbn-resolving.de/urn:nbn:de:kobv:517-opus-40416},
  year      = {1993},
  abstract  = {Dimensions of cognitive complexity in figural transformations were examined in the context of adult age differences. Sequential complexity was manipulated through figural transformations of single objects in a multiple-object array. Coordinative complexity was induced through spatial or nonspatial transformations of the entire array. Results confirmed the prediction that age-related slowing is larger in coordinative complexity than in sequential complexity conditions. The effect was stable across 8 sessions (Experiment 1), was obtained when age groups were equated in accuracy with criterion-referenced testing (Experiment 2), and was corroborated by age-differential probabilities of error types (Experiments 1 and 2). A model is proposed attributing age effects under coordinative complexity to 2 factors: (a) basic-level slowing and (b) time-consuming reiterations through the processing sequence due to age-related working memory failures.},
  language  = {en}
}
@misc{PueschelHespelingOppermannetal.1993,
  author    = {P{\"u}schel, Gerhard Paul and Hespeling, Ursula and Oppermann, Martin and Dieter, Peter},
  title     = {Increase in prostanoid formation in rat liver macrophages (Kupffer cells) by human anaphylatoxin C3a},
  url       = {http://nbn-resolving.de/urn:nbn:de:kobv:517-opus-16716},
  year      = {1993},
  abstract  = {Human anaphylatoxin C3a increases glycogenolysis in perfused rat liver. This action is inhibited by prostanoid synthesis inhibitors and prostanoid antagonists. Because prostanoids but not anaphylatoxin C3a can increase glycogenolysis in hepatocytes, it has been proposed that prostanoid formation in nonparenchymal cells represents an important step in the C3a-dependent increase in hepatic glycogenolysis. This study shows that (a) human anaphylatoxin C3a (0.1 to 10 mug/ml) dose-dependently increased prostaglandin D2, thromboxane B, and prostaglandin F2alpha formation in rat liver macrophages (Kupffer cells); (b) the C3a-mediated increase in prostanoid formation was maximal after 2 min and showed tachyphylaxis; and (c) the C3a-elicited prostanoid formation could be inhibited specifically by preincubation of C3a with carboxypeptidase B to remove the essential C-terminal arginine or by preincubation of C3a with Fab fragments of a neutralizing monoclonal antibody. These data support the hypothesis that the C3a-dependent activation of hepatic glycogenolysis is mediated by way of a C3a-induced prostanoid production in Kupffer cells.},
  language  = {en}
}
@misc{HatzichristouHopf1993,
  author    = {Hatzichristou, Chyrse and Hopf, Diether},
  title     = {Students with learning disabilities : academic and psychosocial aspects of adaptation},
  url       = {http://nbn-resolving.de/urn:nbn:de:kobv:517-opus-16869},
  year      = {1993},
  abstract  = {This study explores learning-disabled students' academic and psychosocial adjustment as compared to their non-disabled classmates within the mainstream public education system in Greece. A brief description of the special education services in Greece is also presented. The sample of the study consisted of fifth and sixth grade elementary school students in northern Greece. The learning-disabled students were identified based on teachers' evaluation (N=30). The control group consisted of all classmates of these students (N=307). Teacher-, peer and self-ratings were used and achievement data were obtained. The learning-disabled students were found to exhibit various academic and psychosocial difficulties based on the perceptions of all raters. Implications of the findings are discussed.},
  language  = {en}
}
@misc{KlieglLindenberger1993,
  author    = {Kliegl, Reinhold and Lindenberger, Ulman},
  title     = {Modeling intrusions and correct recall in episodic memory : adult age differences in encoding of list context},
  url       = {http://nbn-resolving.de/urn:nbn:de:kobv:517-opus-40397},
  year      = {1993},
  abstract  = {A model for correct recall and intrusions in cued recall of word lists is introduced. Intrusions are false responses that were correct in an earlier list. The model assumes 3 exclusive states for memory traces after encoding: with a list tag (i.e., with information about list origin), without list tags, and missing. Across lists, a trace can lose its list tag or its content. For retrieval, an optimal strategy of response selection was assumed. Younger and older laboratory-trained mnemonists participated in 2 experiments in which recall of permutations of a single word list across a single set of cues was held constant with individually adjusted presentation times. With correct recall equated to younger adults, older adults were more susceptible to intrusions. Age differences were restricted to model parameters estimating the probability of generation of list tags. Alternative accounts of age differences in context memory are discussed.},
  language  = {en}
}
@misc{LindenbergerMayrKliegl1993,
  author    = {Lindenberger, Ulman and Mayr, Ulrich and Kliegl, Reinhold},
  title     = {Speed and intelligence in old age},
  url       = {http://nbn-resolving.de/urn:nbn:de:kobv:517-opus-40402},
  year      = {1993},
  abstract  = {Past research suggests that age differences in measures of cognitive speed contribute to differences in intellectual functioning between young and old adults. To investigate whether speed also predicts age-related differences in intellectual performance beyond age 70 years, tests indicating 5 intellectual abilities—speed, reasoning, memory, knowledge, and fluency—were administered to a close-to-representative, age-stratified sample of old and very old adults. Age trends of all 5 abilities were well described by a negative linear function. The speed-mediated effect of age fully explained the relationship between age and both the common and the specific variance of the other 4 abilities. Results offer strong support for the speed hypothesis of old age cognitive decline but need to be qualified by further research on the reasons underlying age differences in measures of speed.},
  language  = {en}
}
@misc{Schobert1993,
  author    = {Schobert, Dagmar},
  title     = {Die Bibliothek der Deutschen Geologischen Gesellschaft unter dem besonderen Aspekt der Sacherschließung ihrer Kartensammlungen},
  url       = {http://nbn-resolving.de/urn:nbn:de:kobv:517-opus-46534},
  year      = {1993},
  abstract  = {Die Deutsche Geologische Gesellschaft (DGG) besitzt seit ihrer Gr{\"u}ndung 1848 eine Bibliothek, die bis heute durch Schriftentausch st{\"a}ndig erweitert wird. Durch die geschichtlichen Entwicklungen in Deutschland befand sich der von 1848 bis 1944 angesammelte Bestand in Berlin und der ab 1945 erworbene Bestand in Hannover. 1992 wurde die Bibliothek der DGG der UB Potsdam als Dauerleihgabe {\"u}bergeben und damit erstmals an einem Ort zusammengef{\"u}hrt. Beide Bibliotheksteile enthalten je eine umfangreiche Sammlung geologischer Karten. W{\"a}hrend die Berliner Kartensammlung vor allem antiquarischen Wert hat, ist die Hannoveraner Sammlung von großem aktuellen Interesse. Wertvollster Teil der Kartensammlungen ist die weitgehendvollst{\"a}ndig vorhandene Geologische Spezialkarte f{\"u}r Preußen im Maßstab 1:25000. Die Karten der Berliner Kartensammlung sind bibliographisch nur unvollst{\"a}ndig verzeichnet, w{\"a}hrend die Hannoveraner Karten in einem Gruppenschlagwortkatalog erschlossen sind. Den Vertragsbedingungen entsprechend ist vorgesehen, beide Sammlungen retrospektiv einheitlich zu erschließen. Mittels Umfrage in 20 Bibliotheken wurden die verschiedenen Methoden der Sacherschließung von Kartensammlungen zusammengetragen. Es zeigte sich, daß diese je nach Bibliothekstyp sehr unterschiedlich sind. F{\"u}r die sachliche Erschließung der DGG-Karten wird vorgeschlagen, die Aufstellungssystematik der Universit{\"a}tsbibliothek Regensburg, Fachsystematik Geographie, anzuwenden, einen entsprechenden systematischen Katalog mit Verweisungen und Nebensystemstellen aufzubauen und ein Schlagwortregister nach RSWK/ SWD zu f{\"u}hren.},
  language  = {de}
}
@misc{PueschelMiuraNeuschaeferRubeetal.1993,
  author    = {P{\"u}schel, Gerhard Paul and Miura, Hisayuki and Neusch{\"a}fer-Rube, Frank and Jungermann, Kurt},
  title     = {Inhibition by the protein kinase C activator 4β-phorbol 12-myristate 13-acetate of the prostaglandin F₂α-mediated and noradrenaline-mediated but not glucagon-mediated activation of glycogenolysis in rat liver},
  url       = {http://nbn-resolving.de/urn:nbn:de:kobv:517-opus-45889},
  year      = {1993},
  abstract  = {In perfused rat livers, infusion of prostaglandin F₂α (PGF₂α) or noradrenaline increased glucose and lactate output and reduced flow. Glucagon increased glucose output and decreased lactate output without influence on flow. Infusion of phorbol 13-myristate 14-acetate (PMA) for 20 min prior to these stimuli strongly inhibited the metabolic and hemodynamic effects of noradrenaline, reduced the metabolic actions of PGF₂α but did not alter the effects of glucagon. In isolated rat hepatocytes PGF₂α, noradrenaline and glucagon activated glycogen phosphorylase but only PGF₂α and noradrenaline increased intracellular inositol 1,4,5-1risphosphalc (InsP₃). The noradrenaline- or PGF₂α-elicited activation of glycogen phosphorylase and increase in InsP₃ were largely reduced after preincubation of the cells for 10 min with PMA, whereas the glucagon-mediated enzyme activation was not affected. In contra\t to PMA, the phorbol ester 4a-phorbol 13,14-didecanoate. which does not activate protein kinase C, did not attenuate the PGF₂α- and noradrenaline-elicited stimulation of glucose output, glycogen phosphorylase and InsP, formation. Stimulation of InsP₃ formation by AlF₄⁻, which activates phospholipase C independently of the receptor, was not attenuated by prior incubation with PMA. Plasma membranes purified from isolated hepatocytes had both a high-capacity, low-affinity and a low-capacity, high-affinity binding site for PGF₂α. The Kd of the high-capacity, low-affinity binding site was close to the concentration of PGF₂α that increased glycogen phosphorylase activity halfmaximally. Binding to the high-capacity, low-affinity binding site was enhanced by guanosine 5'- 0-(3-thio)triphosphate (GTP[S]). This high-capacity, low-affinity site might thus represent the receptor. The Bmax and Kd of the high-capacity site, as well as the enhancement by GTP[S] of PGF₂α binding to this site, remained unaffected by PMA pretreatment. It is concluded that, in hepatocytes, activation of protein kinase C by PMA interrupted the InsP₃-mediated signal pathway from PGF₂α via a PGF₂α receptor and phospholipase C to glycogen phosphorylase at a point distal of the receptor prior to phospholipase C.},
  language  = {en}
}
@misc{NeuschaeferRubePueschelJungermann1993,
  author    = {Neusch{\"a}fer-Rube, Frank and P{\"u}schel, Gerhard Paul and Jungermann, Kurt},
  title     = {Characterization of prostaglandin-F₂α-binding sites on rat hepatocyte plasma membranes},
  url       = {http://nbn-resolving.de/urn:nbn:de:kobv:517-opus-45863},
  year      = {1993},
  abstract  = {Prostaglandin (PG)F₂α has previously been shown to increase glucose output from perfused livers and isolated hepatocytes, where it stimulated glycogen phosphorylase via an inositol-trisphosphatedependent signal pathway. In this study, PGF₂α binding sites on hepatocyte plasma membranes, that might represent the putative receptor, were characterized. Binding studies could not be performed with intact hepatocytes, because PGF₂α accumulated within the cells even at 4°C. The intracellular accumulation was an order of magnitude higher than binding to plasma membranes. Purified hepatocyte plasma membranes had a high-affinity/low-capacity and a low-affinity/highcapacity binding'site for PGF₂α. The respective binding constants for the high-affinity site were Kd = 3 nM and Bmax = 6 fmol/mg membrane protein, and for the low-affinity site Kd = 426 nM and Bmax = 245 fmol/mg membrane protein. Specific PGF₂α binding to the low-affinity site, but not to the high-affinity site, could be enhanced most potently by GTP[γS] followed by GDP[ϐS] and GTP, but not by ATP[γS] or GMP. PGF₂α competed most potently with [³H]PGF₂α for specific binding to hepatocyte plasma membranes, followed by PGD₂ and PGE₂. Since the low-affinity PGF₂α-binding site had a Kd in the concentration range in which PG had previously been shown to be half-maximally active, and since this binding site showed a sensitivity to GTP, it is concluded that it might represent the receptor involved in the PGF₂α signal chain in hepatocytes. A biological function of the high-affinity site is currently not known.},
  language  = {en}
}
@misc{PueschelKirchnerSchroederetal.1993,
  author    = {P{\"u}schel, Gerhard Paul and Kirchner, C. and Schr{\"o}der, A. and Jungermann, Kurt},
  title     = {Glycogenolytic and antiglycogenolytic prostaglandin E₂ actions in rat hepatocytes are mediated via different signalling pathways},
  url       = {http://nbn-resolving.de/urn:nbn:de:kobv:517-opus-45853},
  year      = {1993},
  abstract  = {Prostaglandin E₂ has been reported both to stimulate glycogen-phosphorylase activity (glycogenolytic effect) and to inhibit the glucagon-stimulated glycogen-phosphorylase activity (antiglycogenolytic effect) in rat hepatocytes. It was the purpose of this study to resolve this apparent contradiction and to characterize the signalling pathways and receptor subtypes involved in the opposing prostaglandin E₂ actions. Prostaglandin E₂ (10 μM) increased glucose output, glycogen-phosphorylase activity and inositol trisphosphate formation in hepatocyte cell culture andor suspension. In the same systems, prostaglandin E₂ decreased the glucagon-stimulated (1 nM) glycogen-phosphorylase activity and cAMP formation. The signalling pathway leading to the glycogenolytic effect of PGE₂ was interrupted by incubation of the hepatocytes with 4P-phorbol 12-myristate 13-acetate (100 nM) for 10 min, while the antiglycogenolytic effect of prostaglandin E₂ was not attenuated. The signalling pathway leading to the antiglycogenolytic effect of prostaglandin E₂ was interrupted by an incubation of cultured hepatocytes with pertussis toxin (100 ng/ml) for 18 h, whereas the glycogenolytic effect of prostaglandin E₂ was enhanced. The EP₁/EP₃ prostaglandin-E₂-receptor-specific prostaglandin E₂ analogue Sulproston had a stronger glycogenolytic potency than the EP₃ prostaglandin-E₂-receptor-specific prostaglandin E₂ analogue Misoprostol. The antiglycogenolytic potency of both agonists was equal. It is concluded that the glycogenolytic and the antiglycogenolytic effects of prostaglandin E₂ are mediated via different signalling pathways in hepatocytes possibly involving EP₁ and EP₃ prostaglandin E₂ receptors, respectively.},
  language  = {en}
}
@misc{Jacobi1993,
  author    = {Jacobi, Juliane},
  title     = {"{\"O}ffentliche" und "private" Erziehung aus der Sicht der p{\"a}dagogisch-historischen Frauenforschung},
  url       = {http://nbn-resolving.de/urn:nbn:de:kobv:517-opus-50986},
  year      = {1993},
  abstract  = {Inhalt: 1. Zur Geschichte der M{\"a}dchenerziehung 2. Zur Geschichte des Lehrer- und Lehrerinnenberufes 3. Familienerziehung 4. Literatur},
  language  = {de}
}
@misc{Jacobi1993,
  author    = {Jacobi, Juliane},
  title     = {Elisabeth Blochmann : First-Lady der akademischen P{\"a}dagogik},
  url       = {http://nbn-resolving.de/urn:nbn:de:kobv:517-opus-50991},
  year      = {1993},
  language  = {de}
}
@misc{Gatzhammer1993,
  author    = {Gatzhammer, Stefan},
  title     = {Portugal},
  issn      = {1866-8380},
  url       = {http://nbn-resolving.de/urn:nbn:de:kobv:517-opus-29261},
  year      = {1993},
  language  = {de}
}