@misc{indiciae61bb256d5a0e,
  title = {Different perspectives.},
  author = {J Lampen},
  year = {1981},
  doi = {10.1016/s0140-1971(81)80039-5},
  url = {https://pubmed.ncbi.nlm.nih.gov/7276308/},
  note = {Source identifier: 7276308}
}