@misc{indiciae72f3dc326521,
  title = {LIGHT SOURCES AND LIGHT MEASUREMENTS.},
  author = {H L Shirley},
  year = {1931},
  doi = {10.1104/pp.6.3.447},
  url = {https://pubmed.ncbi.nlm.nih.gov/16652722/},
  note = {Source identifier: 16652722}
}