@misc{indiciaeb2fc5c0098f1,
  title = {Developing visual function in the pigeon embryo with comparative reference to other avian species.},
  author = {M B Heaton and M S Harth},
  year = {1974},
  doi = {10.1037/h0035921},
  url = {https://pubmed.ncbi.nlm.nih.gov/4809970/},
  note = {Source identifier: 4809970}
}