@misc{indiciae0126fd76042b,
  title = {A visual pigment with two physiologically active stable states.},
  author = {P Hillman and S Hochstein and B Minke},
  year = {1972},
  doi = {10.1126/science.175.4029.1486},
  url = {https://pubmed.ncbi.nlm.nih.gov/5013683/},
  note = {Source identifier: 5013683}
}