@inproceedings{VukicevicSchreiberBeuermann2011,
  author    = {Vukicevic, Radovan and Schreiber, Ulrike and Beuermann, Sabine},
  title     = {Azide-terminated poly(vinylidene fluoride) as building block for nanocomposite materials and block copolymers},
  series = {Abstracts of papers : joint conference / The Chemical Institute of Cananda, CIC, American Chemical Society, ACS},
  volume    = {242},
  booktitle = {Abstracts of papers : joint conference / The Chemical Institute of Cananda, CIC, American Chemical Society, ACS},
  number    = {16},
  publisher = {American Chemical Society},
  address   = {Washington},
  issn      = {0065-7727},
  pages     = {1},
  year      = {2011},
  language  = {en}
}
@article{VukicevicBeuermann2011,
  author    = {Vukicevic, Radovan and Beuermann, Sabine},
  title     = {Fullerenes decorated with poly(vinylidene fluoride)},
  series = {Macromolecules : a publication of the American Chemical Society},
  volume    = {44},
  journal   = {Macromolecules : a publication of the American Chemical Society},
  number    = {8},
  publisher = {American Chemical Society},
  address   = {Washington},
  issn      = {0024-9297},
  doi       = {10.1021/ma102754c},
  pages     = {2597 -- 2603},
  year      = {2011},
  abstract  = {Fullerenes decorated with poly(vinylidene fluoride) (PVDF) were synthesized in a three-step procedure: Iodine transfer polymerization of vinylidene fluoride with C(6)F(12)I(2) as the chain transfer agent was carried out in supercritical carbon dioxide to synthesize iodine-terminated PVDF, which was subsequently transformed to azide-terminated polymer. Finally, azide-terminated PVDF chains were attached to a fullerene core under microwave irradiation at 160 degrees C in 1.5 h. The materials were characterized by NMR, FT-IR, UV/vis, GPC, elemental analysis, and DSC. On average, 4-5 PVDF chains are attached to one C(60) moiety. FT-IR spectra and DSC measurements indicate that the polymer end groups strongly affect the crystallinity of the material. For PVDF with azide end groups and PVDF attached to fullerenes the fraction of the beta polymorph is dominant while alpha polymorphs are almost absent.},
  language  = {en}
}
@phdthesis{Vukicevic2011,
  author    = {Vukicevic, Radovan},
  title     = {Iodine- and azide-terminated poly(vinylidene fluoride) as a building block for the preparation of hybrid materials and block copolymers},
  address   = {Potsdam},
  pages     = {122 S.},
  year      = {2011},
  language  = {en}
}
@article{VossNimtzLeimkuehler2011,
  author    = {Voss, Martin and Nimtz, Manfred and Leimk{\"u}hler, Silke},
  title     = {Elucidation of the dual role of Mycobacterial MoeZR in Molybdenum Cofactor Biosynthesis and Cysteine Biosynthesis},
  series = {PLoS one},
  volume    = {6},
  journal   = {PLoS one},
  number    = {11},
  publisher = {PLoS},
  address   = {San Fransisco},
  issn      = {1932-6203},
  doi       = {10.1371/journal.pone.0028170},
  pages     = {9},
  year      = {2011},
  abstract  = {The pathway of molybdenum cofactor biosynthesis has been studied in detail by using proteins from Mycobacterium species, which contain several homologs associated with the first steps of Moco biosynthesis. While all Mycobacteria species contain a MoeZR, only some strains have acquired an additional homolog, MoeBR, by horizontal gene transfer. The role of MoeBR and MoeZR was studied in detail for the interaction with the two MoaD-homologs involved in Moco biosynthesis, MoaD1 and MoaD2, in addition to the CysO protein involved in cysteine biosynthesis. We show that both proteins have a role in Moco biosynthesis, while only MoeZR, but not MoeBR, has an additional role in cysteine biosynthesis. MoeZR and MoeBR were able to complement an E. coli moeB mutant strain, but only in conjunction with the Mycobacterial MoaD1 or MoaD2 proteins. Both proteins were able to sulfurate MoaD1 and MoaD2 in vivo, while only MoeZR additionally transferred the sulfur to CysO. Our in vivo studies show that Mycobacteria have acquired several homologs to maintain Moco biosynthesis. MoeZR has a dual role in Moco- and cysteine biosynthesis and is involved in the sulfuration of MoaD and CysO, whereas MoeBR only has a role in Moco biosynthesis, which is not an essential function for Mycobacteria.},
  language  = {en}
}
@phdthesis{Vosloh2011,
  author    = {Vosloh, Daniel},
  title     = {Subcellular compartmentation of primary carbon metabolism in mesophyll cells of Arabidopsis thaliana},
  url       = {http://nbn-resolving.de/urn:nbn:de:kobv:517-opus-55534},
  school      = {Universit{\"a}t Potsdam},
  year      = {2011},
  abstract  = {Metabolismus in Pflanzenzellen ist stark kompartimentiert. Viele Stoffwechselwege haben Reaktionen in mehr als einem Kompartiment. Zum Beispiel wird w{\"a}hrend der Photosynthese in pflanzlichen Mesophyllzellen Kohlenstoff in Form von St{\"a}rke in den Chloroplasten synthetisiert, w{\"a}hrend es im Zytosol in Form von Sacharose gebildet und in der Vakuole gespeichert wird. Diese Reaktionen sind strikt reguliert um ein Gleichgewicht der Kohlenstoffpools der verschiedenen Kompartimente aufrecht zu erhalten und die Energieversorgung aller Teile der Zelle f{\"u}r anabolische Reaktionen sicher zu stellen. Ich wende eine Methode an, bei der die Zellen unter nicht-w{\"a}ssrigen Bedingungen fraktioniert werden und daher der metabolische Status der w{\"a}hrend der Ernte herrschte {\"u}ber den ganzen Zeitraum der Auftrennung beibehalten wird. Durch die Kombination von nichtw{\"a}ssriger Fraktionierung und verschiedener Massenspektrometrietechniken (Fl{\"u}ssigchromotagraphie- und Gaschromotagraphie basierende Massenspekrometrie) ist es m{\"o}glich die intrazellul{\"a}re Verteilung der meisten Intermediate des photosynthetischen Kohlenstoffstoffwechsels und der Produkte der nachgelagerten metabolischen Reaktionen zu bestimmen. Das Wissen {\"u}ber die in vivo Konzentrationen dieser Metabolite wurde genutzt um die {\"A}nderung der freien Gibbs Energie in vivo zu bestimmen. Mit Hilfe dessen kann bestimmt werden, welche Reaktion sich in einem Gleichgewichtszustand befinden und welche davon entfernt sind. Die Konzentration der Enzyme und der Km Werte wurden mit den Konzentrationen der Metabolite in vivo verglichen, um festzustellen, welche Enzyme substratlimitiert sind und somit sensitiv gegen{\"u}ber {\"A}nderungen der Substratkonzentration sind. Verschiedene Intermediate des Calvin-Benson Zyklus sind gleichzeitig Substrate f{\"u}r andere Stoffwechselwege, als da w{\"a}ren Dihyroxyaceton-phosphat (DHAP, Saccharosesynthese), Fructose 6-phosphat (Fru6P, St{\"a}rkesynthese), Erythrose 4-phosphat (E4P, Shikimat Stoffwechselweg) und Ribose 5-phosphat (R5P, Nukleotidbiosynthese). Die Enzyme, die diese Intermediate verstoffwechseln, liegen an den Abzweigungspunkten zu diesen Stoffwechselwegen. Diese sind Trisose phosphat isomerase (DHAP), Transketolase (E4P), Sedoheptulose-1,7 biphosphat aldolase (E4P) und Ribose-5-phosphat isomerase (R5P), welche nicht mit ihren Substraten ges{\"a}ttigt sind, da die jeweilige Substratkonzentration geringer als der zugeh{\"o}rige Km Wert ist. F{\"u}r metabolische Kontrolle bedeutet dies, dass diese Schritte am sensitivsten gegen{\"u}ber {\"A}nderungen der Substratkonzentrationen sind. Im Gegensatz dazu sind die regulierten irreversiblen Schritte von Fructose-1,6.biphosphatase und Sedoheptulose-1,7-biphosphatase relativ insensitiv gegen{\"u}ber {\"A}nderungen der Substratkonzentration. F{\"u}r den Stoffwechselweg der Saccharosesynthese konnte gezeigt werden, dass die zytosolische Aldolase eine geringer Bindeseitenkonzentration als Substratkonzentration (DHAP) aufweist, und dass die Konzentration von Saccharose-6-phosphat geringer als der Km Wert des synthetisierenden Enzyms Saccharose-phosphatase ist. Sowohl die Saccharose-phosphat-synthase, also auch die Saccharose-phosphatase sind in vivo weit von einem Gleichgewichtszustand entfernt. In Wildtyp Arabidopsis thaliana Columbia-0 Bl{\"a}ttern wurde der gesamte Pool von ADPGlc im Chloroplasten gefunden. Das Enzyme ADPGlc pyrophosphorylase ist im Chloroplasten lokalisiert und synthetisiert ADPGlc aus ATP und Glc1P. Dieses Verteilungsmuster spricht eindeutig gegen die Hypothese von Pozueta-Romero und Kollegen, dass ADPGlc im Zytosol durch ADP vermittelte Spaltung von Saccharose durch die Saccharose Synthase erzeugt wird. Basierend auf dieser Beobachtung und anderen ver{\"o}ffentlichten Ergebnissen wurde geschlußfolgert, dass der generell akzeptierte Stoffwechselweg der St{\"a}rkesynthese durch ADPGlc Produktion via ADPGlc pyrophosphorylase in den Chloroplasten korrekt ist, und die Hypothese des alternativen Stoffwechselweges unhaltbar ist. Innerhalb des Stoffwechselweges der Saccharosesynthsese wurde festgestellt, dass die Konzentration von ADPGlc geringer als der Km Wert des St{\"a}rkesynthase ist, was darauf hindeutet, dass das Enzym substratlimitiert ist. Eine generelle Beobachtung ist, dass viele Enzmye des Calvin-Benson Zyklus {\"a}hnliche Bindeseitenkonzentrationen wie Metabolitkonzentrationen aufweisen, wohingegen in den Synthesewegen von Saccharose und St{\"a}rke die Bindeseitenkonzentrationen der Enzyme viel geringer als die Metabolitkonzentrationen sind.},
  language  = {en}
}
@phdthesis{vonNicolai2011,
  author    = {von Nicolai, Christina},
  title     = {The interplay of salt movements and regional tectonics at the passive continental margin of the South Atlantic, Kwanza Basin},
  address   = {Potsdam},
  pages     = {134 S.},
  year      = {2011},
  language  = {en}
}
@article{vonKleistMenzStockeretal.2011,
  author    = {von Kleist, Max and Menz, Stephan and Stocker, Hartmut and Arasteh, Keikawus and Schuette, Christof and Huisinga, Wilhelm},
  title     = {HIV quasispecies dynamics during pro-active treatment switching impact on multi-drug resistance and resistance archiving in latent reservoirs},
  series = {PLoS one},
  volume    = {6},
  journal   = {PLoS one},
  number    = {3},
  publisher = {PLoS},
  address   = {San Fransisco},
  issn      = {1932-6203},
  doi       = {10.1371/journal.pone.0018204},
  pages     = {12},
  year      = {2011},
  abstract  = {The human immunodeficiency virus (HIV) can be suppressed by highly active anti-retroviral therapy (HAART) in the majority of infected patients. Nevertheless, treatment interruptions inevitably result in viral rebounds from persistent, latently infected cells, necessitating lifelong treatment. Virological failure due to resistance development is a frequent event and the major threat to treatment success. Currently, it is recommended to change treatment after the confirmation of virological failure. However, at the moment virological failure is detected, drug resistant mutants already replicate in great numbers. They infect numerous cells, many of which will turn into latently infected cells. This pool of cells represents an archive of resistance, which has the potential of limiting future treatment options. The objective of this study was to design a treatment strategy for treatment-naive patients that decreases the likelihood of early treatment failure and preserves future treatment options. We propose to apply a single, pro-active treatment switch, following a period of treatment with an induction regimen. The main goal of the induction regimen is to decrease the abundance of randomly generated mutants that confer resistance to the maintenance regimen, thereby increasing subsequent treatment success. Treatment is switched before the overgrowth and archiving of mutant strains that carry resistance against the induction regimen and would limit its future re-use. In silico modelling shows that an optimal trade-off is achieved by switching treatment at \& 80 days after the initiation of antiviral therapy. Evaluation of the proposed treatment strategy demonstrated significant improvements in terms of resistance archiving and virological response, as compared to conventional HAART. While continuous pro-active treatment alternation improved the clinical outcome in a randomized trial, our results indicate that a similar improvement might also be reached after a single pro-active treatment switch. The clinical validity of this finding, however, remains to be shown by a corresponding trial.},
  language  = {en}
}
@misc{vonHumboldt2011,
  author    = {von Humboldt, Alexander},
  title     = {Zenralamerika},
  publisher = {Univ.},
  address   = {San jose},
  pages     = {119 S.},
  year      = {2011},
  language  = {de}
}
@book{vonHumboldt2011,
  author    = {von Humboldt, Alexander},
  title     = {Zentralamerika},
  editor    = {Brignoli, Hector P{\´e}rez},
  publisher = {Edit. UCR},
  address   = {San Jos{\´e}, C.R.},
  isbn      = {978-9968-46-276-1},
  pages     = {119 S.},
  year      = {2011},
  language  = {de}
}
@article{vonderMalsburgVasishth2011,
  author    = {von der Malsburg, Titus Raban and Vasishth, Shravan},
  title     = {What is the scanpath signature of syntactic reanalysis?},
  series = {Journal of memory and language},
  volume    = {65},
  journal   = {Journal of memory and language},
  number    = {2},
  publisher = {Elsevier},
  address   = {San Diego},
  issn      = {0749-596X},
  doi       = {10.1016/j.jml.2011.02.004},
  pages     = {109 -- 127},
  year      = {2011},
  abstract  = {Which repair strategy does the language system deploy when it gets garden-pathed, and what can regressive eye movements in reading tell us about reanalysis strategies? Several influential eye-tracking studies on syntactic reanalysis (Frazier \& Rayner, 1982; Meseguer, Carreiras, \& Clifton, 2002; Mitchell, Shen, Green, \& Hodgson, 2008) have addressed this question by examining scanpaths, i.e., sequential patterns of eye fixations. However, in the absence of a suitable method for analyzing scanpaths, these studies relied on simplified dependent measures that are arguably ambiguous and hard to interpret. We address the theoretical question of repair strategy by developing a new method that quantifies scanpath similarity. Our method reveals several distinct fixation strategies associated with reanalysis that went undetected in a previously published data set (Meseguer et al., 2002). One prevalent pattern suggests re-parsing of the sentence, a strategy that has been discussed in the literature (Frazier \& Rayner, 1982); however, readers differed tremendously in how they orchestrated the various fixation strategies. Our results suggest that the human parsing system non-deterministically adopts different strategies when confronted with the disambiguating material in garden-path sentences.},
  language  = {en}
}
@article{vonBloh2011,
  author    = {von Bloh, Ute},
  title     = {No concessions made? Law and justice in the epic Loher and Mailer},
  series = {Zeitschrift f{\"u}r Literaturwissenschaft und Linguistik},
  volume    = {41},
  journal   = {Zeitschrift f{\"u}r Literaturwissenschaft und Linguistik},
  number    = {163},
  publisher = {Universit{\"a}tsverlag Potsdam},
  address   = {Stuttgart},
  issn      = {0049-8653},
  pages     = {42 -- 65},
  year      = {2011},
  abstract  = {The late mediaeval prose epic Loher und Muller constantly challenges a naive interpretation of what constitutes justice by confronting it over and over again with extreme cases. Generally speaking, 'poetic justice' succeeds in establishing coherence and propel the narrative forward. The constituents of societal norms and of laws are nevertheless relentlessly questioned - to such an extent that the narrative inquiry occasionally departs from the common understanding of justice. With its focus on morality, especially the presence or absence of faith, Loher und Muller is primarily concerned with the potential for conflict inherent in medieval constructions of legality and justice. In doing so, the epic opens up a narrative playground unencumbered by legal constraints as - after all - literature need not comply with medieval jurisdiction and its claims to the validity and scope of its writings. It is literature's privilege to facilitate unfamiliar ways of looking. The playful - but by no means inconsequential - casuistry played out in Loher und Maller gives rise to a 'probable' world tangential to historical reality and its understanding of justice and the law.},
  language  = {de}
}
@article{VoltmerSpahnSchaarschmidtetal.2011,
  author    = {Voltmer, Edgar and Spahn, Claudia and Schaarschmidt, Uwe and Kieschke, Ulf},
  title     = {Work-related behavior and experience patterns of entrepreneurs compared to teachers and physicians},
  series = {International archives of occupational and environmental health},
  volume    = {84},
  journal   = {International archives of occupational and environmental health},
  number    = {5},
  publisher = {Springer},
  address   = {New York},
  issn      = {0340-0131},
  doi       = {10.1007/s00420-011-0632-9},
  pages     = {479 -- 490},
  year      = {2011},
  abstract  = {Purpose This study examined the status of health-related behavior and experience patterns of entrepreneurs in comparison with teachers and physicians to identify specific health risks and resources. Methods Entrepreneurs (n = 632), teachers (n = 5,196), and physicians (n = 549) were surveyed in a cross-sectional design. The questionnaire Work-related Behavior and Experience Patterns (AVEM) was used for all professions and, in addition, two scales (health prevention and self-confidence) from the Checklist for Entrepreneurs in the sample of entrepreneurs. Results The largest proportion of the entrepreneurs (45\%) presented with a healthy pattern (compared with 18.4\% teachers and 18.3\% physicians). Thirty-eight percent of entrepreneurs showed a risk pattern of overexertion and stress, followed by teachers (28.9\%) and physicians (20.6\%). Unambitious or burnout patterns were seen in only 9.3/8.2\% of entrepreneurs, respectively, and 25.3/27.3\% of teachers, and 39.6/21.5\% of physicians. While the distribution of patterns in teachers and physicians differed significantly between genders, a gender difference was not found among entrepreneurs. Entrepreneurs with the risk pattern of overexertion scored significantly (P < 0.01) lower in self-confidence and health care than those with the healthy pattern. Conclusions The development of a successful enterprise depends, in part, on the health of the entrepreneur. The large proportion of entrepreneurs with the healthy pattern irrespective of gender may support the notion that self-selection effects of healthy individuals in this special career might be important. At the same time, a large proportion was at risk for overexertion and might benefit from measures to cope with professional demands and stress and promote a healthy behavior pattern.},
  language  = {en}
}
@article{VolgerWeiss2011,
  author    = {Volger, Helmut and Weiß, Norman},
  title     = {Vorwort},
  series = {Die Vereinten Nationen vor globalen Herausforderungen : Referate der Potsdamer UNO-Konferenzen 2000-2008},
  journal   = {Die Vereinten Nationen vor globalen Herausforderungen : Referate der Potsdamer UNO-Konferenzen 2000-2008},
  publisher = {Universit{\"a}tsverlag Potsdam},
  address   = {Potsdam},
  url       = {http://nbn-resolving.de/urn:nbn:de:kobv:517-opus-60916},
  pages     = {7 -- 8},
  year      = {2011},
  language  = {de}
}
@article{Volger2011,
  author    = {Volger, Helmut},
  title     = {Die Reform der Arbeitsmethoden des Sicherheitsrats - eine Bilanz nach zwei Jahrzehnten},
  series = {Die Vereinten Nationen zehn Jahre nach dem Millenniumsgipfel 2000 - eine Bilanz},
  volume    = {2011},
  journal   = {Die Vereinten Nationen zehn Jahre nach dem Millenniumsgipfel 2000 - eine Bilanz},
  number    = {9},
  publisher = {Universit{\"a}tsverlag Potsdam},
  address   = {Potsdam},
  url       = {http://nbn-resolving.de/urn:nbn:de:kobv:517-opus4-101569},
  pages     = {39 -- 51},
  year      = {2011},
  abstract  = {Literatur},
  language  = {de}
}
@article{Volger2011,
  author    = {Volger, Helmut},
  title     = {Empfehlungen f{\"u}r die zuk{\"u}nftige deutsche UNO-Forschung},
  series = {Die Vereinten Nationen vor globalen Herausforderungen : Referate der Potsdamer UNO-Konferenzen 2000-2008},
  journal   = {Die Vereinten Nationen vor globalen Herausforderungen : Referate der Potsdamer UNO-Konferenzen 2000-2008},
  publisher = {Universit{\"a}tsverlag Potsdam},
  address   = {Potsdam},
  url       = {http://nbn-resolving.de/urn:nbn:de:kobv:517-opus-61246},
  pages     = {399 -- 407},
  year      = {2011},
  abstract  = {Inhalt: - Die deutsche UN-Forschung - Aufgaben der deutschen UN-Forschung - Strukturen der deutschen UN-Forschung - Zentrum f{\"u}r UN-Forschung},
  language  = {de}
}
@article{Volger2011,
  author    = {Volger, Helmut},
  title     = {Die Arbeit des Forschungskreises Vereinte Nationen},
  series = {Die Vereinten Nationen vor globalen Herausforderungen : Referate der Potsdamer UNO-Konferenzen 2000-2008},
  journal   = {Die Vereinten Nationen vor globalen Herausforderungen : Referate der Potsdamer UNO-Konferenzen 2000-2008},
  publisher = {Universit{\"a}tsverlag Potsdam},
  address   = {Potsdam},
  url       = {http://nbn-resolving.de/urn:nbn:de:kobv:517-opus-61230},
  pages     = {393 -- 397},
  year      = {2011},
  abstract  = {Inhalt: - Die Ziele des Forschungskreises - Welche Ziele wurden erreicht? - Fazit und Ausblick},
  language  = {de}
}
@article{VojvodaEngstler2011,
  author    = {Vojvoda-Engstler, Gabriela},
  title     = {Bosnien als ‚Barzakh'},
  series = {Texturen - Identit{\"a}ten - Theorien : Ergebnisse des Arbeitstreffens des Jungen Forums Slavistische Literaturwissenschaft in Trier 2010},
  journal   = {Texturen - Identit{\"a}ten - Theorien : Ergebnisse des Arbeitstreffens des Jungen Forums Slavistische Literaturwissenschaft in Trier 2010},
  publisher = {Universit{\"a}tsverlag Potsdam},
  address   = {Potsdam},
  url       = {http://nbn-resolving.de/urn:nbn:de:kobv:517-opus-58802},
  pages     = {239 -- 253},
  year      = {2011},
  abstract  = {- Situierung der These - Die narrative Strategie - Schlussbemerkung - Literaturverzeichnis - Zur Autorin},
  language  = {de}
}
@article{Voigt2011,
  author    = {Voigt, Frank},
  title     = {Zum Verh{\"a}ltnis von Theorie und Praxis im Lehramtsstudium},
  series = {Potsdamer Beitr{\"a}ge zur Hochschulforschung},
  journal   = {Potsdamer Beitr{\"a}ge zur Hochschulforschung},
  number    = {1},
  issn      = {2192-1075},
  url       = {http://nbn-resolving.de/urn:nbn:de:kobv:517-opus-52776},
  pages     = {309 -- 315},
  year      = {2011},
  language  = {de}
}
@article{VoigtScheffler2011,
  author    = {Voigt, Andrea and Scheffler, Christiane},
  title     = {Manual abilities of the elderly - handgrip strength, finger and thumb push strength and opening strength in age comparison},
  issn      = {0003-5548},
  year      = {2011},
  language  = {en}
}
@article{VoigtScheffler2011,
  author    = {Voigt, Andrea and Scheffler, Christiane},
  title     = {Manual abilities of the elderly - handgrip strength, finger and thumb push strength and opening strength in age comparison},
  series = {Journal of biological and clinical anthropology : Anthropologischer Anzeiger ; Mitteilungsorgan der Gesellschaft f{\"u}r Anthropologie},
  volume    = {68},
  journal   = {Journal of biological and clinical anthropology : Anthropologischer Anzeiger ; Mitteilungsorgan der Gesellschaft f{\"u}r Anthropologie},
  number    = {2},
  publisher = {Schweizerbart},
  address   = {Stuttgart},
  issn      = {0003-5548},
  doi       = {10.1127/0003-5548/2011/0090},
  pages     = {167 -- 173},
  year      = {2011},
  abstract  = {The purpose of this paper is to display the static strength capacities of healthy adults in different age categories. A total of 279 healthy German adults at the ages of 20 to 29 years, 50 to 59 years and 60 to 69 years generated their maximum static handgrip, index finger and thumb push strength, as well as their maximum opening strength on a smooth jar lid of 85 mm diameter and on a knurled bottle lid of 31 mm with their right hand. The results show larger male strength than female strength. Significant age-induced differences appear primarily in opening strengths between the age groups 20 to 29 and 50 to 59 years in male subjects and in female opening strengths between the age groups 20 to 29 and 60 to 69 years as well as between the age groups 50 to 59 and 60 to 69 years. Of greatest interest is that elderly men show the largest opening strengths.},
  language  = {en}
}