@article{FrohneGueldner1991,
  author    = {Frohne, Irene and G{\"u}ldner, Karin},
  title     = {Klasse 3b erarbeitet einen Touristenplan},
  year      = {1991},
  language  = {de}
}
@book{OPUS4-29327,
  title     = {Grundschulunterricht},
  editor    = {Giest, Hartmut and Kleinschmidt-Br{\"a}utigam, M. and Kruse, N. and Rasch, R. and Wittkowske, Steffen},
  publisher = {Oldenbourg},
  address   = {M{\"u}nchen},
  year      = {1992},
  language  = {de}
}
@article{Giest1992,
  author    = {Giest, Hartmut},
  title     = {Zum Problem der Lehrstrategien},
  year      = {1992},
  language  = {de}
}
@article{HeusingerMoeller1992,
  author    = {Heusinger, Renate and M{\"o}ller, Rainer},
  title     = {Vom Institut f{\"u}r Lehrerbildung zur Universit{\"a}t},
  year      = {1992},
  language  = {de}
}
@phdthesis{Kleszak1992,
  author    = {Kleszak, Brigitte},
  title     = {Theoretische Grundlegungen f{\"u}r ein Rahmencurriculum zum Technikunterricht in der Grundschule},
  pages     = {Getr. Z{\"a}hlung : Ill.},
  year      = {1992},
  language  = {de}
}
@phdthesis{FelgerPaersch1993,
  author    = {Felger-P{\"a}rsch, Anneliese},
  title     = {Untersuchungen zum Stand der Entwicklung von Selbstkonzepten bei Sch{\"u}lern der Primarstufe (Klasse 4) - eine Erkundungsstudie},
  pages     = {174, 47 Bl. : graph. Darst.},
  year      = {1993},
  language  = {de}
}
@article{Heusinger1993,
  author    = {Heusinger, Renate},
  title     = {Disziplin, Stille : Erfahren der eigenen K{\"o}rperlichkeit und Sinnlichkeit},
  year      = {1993},
  language  = {de}
}
@article{Frohne1993,
  author    = {Frohne, Irene},
  title     = {Sachunterricht in der Grundschule : Grundlegende Bildung im Sachunterricht},
  year      = {1993},
  language  = {de}
}
@article{Frohne1993,
  author    = {Frohne, Irene},
  title     = {Sachunterricht planen},
  year      = {1993},
  language  = {de}
}
@article{Veith1993,
  author    = {Veith, Ute},
  title     = {Gr{\"o}ßen erfahren und erleben, Teil 1},
  year      = {1993},
  language  = {de}
}
@article{Kleemann1994,
  author    = {Kleemann, Helga},
  title     = {Kommunikation {\"u}ber Literatur in Gang bringen},
  year      = {1994},
  language  = {de}
}
@article{Klunter1994,
  author    = {Klunter, Martina},
  title     = {Freude an geometrischer T{\"a}tigkeit},
  year      = {1994},
  language  = {de}
}
@article{Klunter1994,
  author    = {Klunter, Martina},
  title     = {Ein Projekt : unser mathematisches Sportfest},
  year      = {1994},
  language  = {de}
}
@article{Moeller1994,
  author    = {M{\"o}ller, Angelika},
  title     = {Geometrische {\"U}bungen},
  year      = {1994},
  language  = {de}
}
@article{MoellerVeith1994,
  author    = {M{\"o}ller, Angelika and Veith, Ute},
  title     = {Gr{\"o}ßen erfahren und erleben, Teil 2},
  year      = {1994},
  language  = {de}
}
@article{Moeller1994,
  author    = {M{\"o}ller, Angelika},
  title     = {Mathematik-Olympiade der Stadt Potsdam f{\"u}r Kinder der Klassen 3 und 4},
  year      = {1994},
  language  = {de}
}
@article{Moeller1994,
  author    = {M{\"o}ller, Angelika},
  title     = {Piff, paff! Piff, paff, oj, oj , oj ... : Begegnung mit Sprachen f{\"o}rdert auch die Begegnung von Menschen},
  year      = {1994},
  language  = {de}
}
@book{OPUS4-28160,
  title     = {Auf dem Weg zur sechsj{\"a}hrigen Grundschule : Praxisberichte und Materialien},
  series = {Fachserie Lernort Schule},
  journal   = {Fachserie Lernort Schule},
  editor    = {Drews, Ursula},
  publisher = {P{\"a}dagogisches Landesinstitut Brandenburg},
  address   = {Ludwigsfelde},
  pages     = {90 S.},
  year      = {1994},
  language  = {de}
}
@article{HempelHartmann1994,
  author    = {Hempel, Marlies and Hartmann, Jutta},
  title     = {Wir werden Spuren hinterlassen.},
  year      = {1994},
  language  = {de}
}
@phdthesis{AissenCrewett1994,
  author    = {Aissen-Crewett, Meike},
  title     = {Bildbegegnung : {\"a}sthetische Erfahrung und Bildende Kunst ; {\"a}sthetische Reflexionen - p{\"a}dagogische Erfahrungen},
  address   = {Oldenbourg},
  pages     = {431 S.},
  year      = {1994},
  language  = {de}
}