@misc{indiciaea2b49dff2d4b,
  title = {[Inquiry into modelling materials (I)].},
  author = {G Franz and L Krawinkel and D Hölzer and D Nickel},
  year = {1977},
  url = {https://pubmed.ncbi.nlm.nih.gov/284943/},
  note = {Source identifier: 284943}
}