@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}
}
@book{ChudobaKleszakMetteetal.1993,
  author    = {Chudoba, Charlotte and Kleszak, Brigitte and Mette, Dieter and Meier, Bernd and Zeißler, Peter},
  title     = {Wir bauen technische Modelle},
  publisher = {Volk und Wissen},
  address   = {Berlin},
  year      = {1993},
  language  = {de}
}