@misc{indiciae279d28479881,
  title = {Feathers and patterns.},
  author = {J Cohen},
  year = {1966},
  doi = {10.1016/b978-1-4831-9952-8.50005-5},
  url = {https://pubmed.ncbi.nlm.nih.gov/4891031/},
  note = {Source identifier: 4891031}
}