@misc{indiciae1720a9db0b43,
  title = {Specific Constants for Visual Excitation.},
  author = {W J Crozier and E Wolf and G Zerrahn-Wolf},
  year = {1937},
  doi = {10.1073/pnas.23.9.516},
  url = {https://pubmed.ncbi.nlm.nih.gov/16577807/},
  note = {Source identifier: 16577807}
}