@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}
}
@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}
}
@article{KussorowMikelskis2002,
  author    = {Kussorow, V. and Mikelskis, Helmut},
  title     = {Lernen {\"u}ber kosmische Magnetfelde},
  isbn      = {3-936427-11-9},
  year      = {2002},
  language  = {de}
}
@article{BreuerMikelskisOttoetal.2002,
  author    = {Breuer, Elmar and Mikelskis, Helmut and Otto, R. and Sch{\"u}lbe, R. and Wenzel, M. and Wilke, Hans-Joachim},
  title     = {Physik : Kl. 9/10, Lehrerbd., Gymnasium Berlin},
  editor    = {Mikelskis, Helmut},
  publisher = {Volk-und-Wissen-Verl.},
  address   = {Berlin},
  isbn      = {3-06-022235-5},
  pages     = {96 S.},
  year      = {2002},
  language  = {de}
}
@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}
}