@misc{indiciaec4aed36b94ce,
  title = {Darwin's missing evidence.},
  author = {H B KETTLEWELL},
  year = {1959},
  doi = {10.1038/scientificamerican0359-48},
  url = {https://pubmed.ncbi.nlm.nih.gov/13635037/},
  note = {Source identifier: 13635037}
}