@article{MikelskisHornLeisneretal.2002,
  author    = {Mikelskis, Helmut and Horn, Martin Erik and Leisner, Antje and Mikelskis-Seifert, Silke},
  title     = {Modellbildung im Optikunterricht},
  isbn      = {3-88064-304-0},
  year      = {2002},
  language  = {de}
}
@article{MavangaMikelskisLeisner2002,
  author    = {Mavanga, Gil Gabriel and Mikelskis, Helmut and Leisner, Antje},
  title     = {Evaluationsstudie zur Optik in Mosambik},
  series = {Zur Didaktik der Physik und Chemie},
  journal   = {Zur Didaktik der Physik und Chemie},
  publisher = {Leuchtturm-Verl.},
  address   = {Alsbach/Bergstraße},
  isbn      = {3-88064-304-0},
  year      = {2002},
  language  = {de}
}
@phdthesis{Leisner2005,
  author    = {Leisner, Antje},
  title     = {Entwicklung von Modellkompetenz im Physikunterricht},
  series = {Studien zum Physik- und Chemielernen},
  volume    = {44},
  journal   = {Studien zum Physik- und Chemielernen},
  publisher = {Logos-Verl.},
  address   = {Berlin},
  isbn      = {3-8325-1020-6},
  issn      = {1614-8967},
  pages     = {vii, 264, XLII S. : Ill., graph. Darst.},
  year      = {2005},
  language  = {de}
}
@article{HornLeisnerMikelskis2002,
  author    = {Horn, Martin Erik and Leisner, Antje and Mikelskis, Helmut},
  title     = {Probleme der Modellbildung in der Optik},
  isbn      = {3-936427-11-9},
  year      = {2002},
  language  = {de}
}