@article{MavangaMikelskisLeisner2002,
  author    = {Gil Gabriel Mavanga and Helmut Mikelskis and Antje Leisner},
  title     = {Evaluationsstudie zur Optik in Mosambik},
  journal   = {Zur Didaktik der Physik und Chemie},
  year      = {2002},
}