@misc{indiciae139617414266,
  title = {METHODS OF SAMPLING VISIBLE RADIATION.},
  author = {R H Wallace},
  year = {1937},
  doi = {10.1104/pp.12.3.647},
  url = {https://pubmed.ncbi.nlm.nih.gov/16653437/},
  note = {Source identifier: 16653437}
}