@article{KeitelKaiser1994,
  author    = {Keitel, Christine and Kaiser, Gabriele},
  title     = {Assessing mathematics in Europe : the Federal Republic of Germany},
  year      = {1994},
  language  = {en}
}
@article{KaiserRogers1994,
  author    = {Kaiser, Gabriele and Rogers, Patricia},
  title     = {Gender and mathematics education},
  year      = {1994},
  language  = {en}
}
@article{KaiserRogers1995,
  author    = {Kaiser, Gabriele and Rogers, Patricia},
  title     = {Introduction : equity in mathematics education},
  year      = {1995},
  language  = {en}
}
@article{Kaiser1995,
  author    = {Kaiser, Gabriele},
  title     = {Results from a comparative empirical study in England and Germany on the learning of mathematics in context},
  year      = {1995},
  language  = {en}
}
@article{AissenCrewett1995,
  author    = {Aissen-Crewett, Meike},
  title     = {Using art to express unspeakable anxiety : children's art as a tool for intervention and therapy with sexually abused children},
  year      = {1995},
  language  = {en}
}
@book{OPUS4-26951,
  title     = {Equity in mathematics education : influences of feminism and culture},
  editor    = {Rogers, Patricia and Kaiser, Gabriele},
  publisher = {Falmer Press},
  address   = {Basingstoke},
  year      = {1995},
  language  = {en}
}
@book{SchroederBoedekerEdelstein2000,
  author    = {Schr{\"o}der, Eberhard and B{\"o}deker, Katja and Edelstein, Wolfgang},
  title     = {The development of formal thought : a manual including measurement procedures and descriptive analyses},
  series = {Materialien aus der Bildungsforschung},
  volume    = {68},
  journal   = {Materialien aus der Bildungsforschung},
  publisher = {Max-Planck-Inst. f{\"u}r Bildungsforschung},
  address   = {Berlin},
  isbn      = {3-87985-080-1},
  pages     = {252 S.},
  year      = {2000},
  language  = {en}
}
@book{SchroederBoedekerEdelstein2000,
  author    = {Schr{\"o}der, Eberhard and B{\"o}deker, Katja and Edelstein, Wolfgang},
  title     = {The development of concrete thought : a manual including measurement procedures and descriptive analyses},
  series = {Materialien aus der Bildungsforschung},
  volume    = {67},
  journal   = {Materialien aus der Bildungsforschung},
  publisher = {Max-Planck-Inst. f{\"u}r Bildungsforschung},
  address   = {Berlin},
  isbn      = {3-87985-079-8},
  pages     = {95 S.},
  year      = {2000},
  language  = {en}
}
@book{SchroederBoedekerEdelstein2000,
  author    = {Schr{\"o}der, Eberhard and B{\"o}deker, Katja and Edelstein, Wolfgang},
  title     = {The development of syllogistic reasoning : a manual including measurement procedures and descriptive analyses},
  series = {Materialien aus der Bildungsforschung},
  volume    = {69},
  journal   = {Materialien aus der Bildungsforschung},
  publisher = {Max-Planck-Inst. f{\"u}r Bildungsforschung},
  address   = {Berlin},
  isbn      = {3-87985-081-X},
  pages     = {118 S.},
  year      = {2000},
  language  = {en}
}
@book{SchroederBoedekerEdelstein2000,
  author    = {Schr{\"o}der, Eberhard and B{\"o}deker, Katja and Edelstein, Wolfgang},
  title     = {Proportional, combinatorial, and correlational reasoning : a manual including measurement procedures and descriptive analyses},
  series = {Materialien aus der Bildungsforschung},
  volume    = {70},
  journal   = {Materialien aus der Bildungsforschung},
  publisher = {Max-Planck-Inst. f{\"u}r Bildungsforschung},
  address   = {Berlin},
  isbn      = {3-87985-082-8},
  pages     = {173 S.},
  year      = {2000},
  language  = {en}
}