@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}
}
@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{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     = {Geometrische {\"U}bungen},
  year      = {1994},
  language  = {de}
}