@article{Quaisser1994,
  author    = {Quaisser, Erhard},
  title     = {Zw{\"o}lf Punkte auf einer Kugel},
  year      = {1994},
  language  = {de}
}
@article{Quaisser1995,
  author    = {Quaisser, Erhard},
  title     = {Nichts einfacher als ein Spielw{\"u}rfel},
  year      = {1995},
  language  = {de}
}
@article{Quaisser1995,
  author    = {Quaisser, Erhard},
  title     = {Geometrie im Raum, Folge 3},
  year      = {1995},
  language  = {de}
}
@article{Quaisser1995,
  author    = {Quaisser, Erhard},
  title     = {Geometrie im Raum, Folge 2},
  year      = {1995},
  language  = {de}
}
@article{Quaisser1995,
  author    = {Quaisser, Erhard},
  title     = {Geometrie im Raum, Folge 1},
  year      = {1995},
  language  = {de}
}
@article{Quaisser1995,
  author    = {Quaisser, Erhard},
  title     = {Die Symmetriestruktur von Figuren},
  year      = {1995},
  language  = {de}
}
@article{Quaisser1996,
  author    = {Quaisser, Erhard},
  title     = {Ein Zwillingspaar diophantischer Gleichungen zweiten Grades},
  year      = {1996},
  language  = {de}
}
@article{Quaisser1996,
  author    = {Quaisser, Erhard},
  title     = {Schr{\"a}gbilder},
  year      = {1996},
  language  = {de}
}
@article{QuaisserSprengel1997,
  author    = {Quaisser, Erhard and Sprengel, Jens-Uwe},
  title     = {Polyominos und Puzzles},
  year      = {1997},
  language  = {de}
}
@article{Quaisser1997,
  author    = {Quaisser, Erhard},
  title     = {Schwache Kongruenzebenen},
  year      = {1997},
  language  = {de}
}