@misc{indiciaeab2a1eec1257,
  title = {Absorption spectra, molecular weights and visual purple.},
  author = {R WEALE},
  year = {1949},
  doi = {10.1038/164959b0},
  url = {https://pubmed.ncbi.nlm.nih.gov/15407671/},
  note = {Source identifier: 15407671}
}