@misc{indiciaed7c3d52807a4,
  title = {[Evaluation of a learning programme in connection with the media].},
  author = {R Walther and B Pietzka and J Dahmer},
  year = {1975},
  url = {https://pubmed.ncbi.nlm.nih.gov/53772/},
  note = {Source identifier: 53772}
}