@misc{indiciae6e7a8d5226d6,
  title = {Calculation method for retinal irradiance from extended sources.},
  author = {C Campbell},
  year = {1994},
  doi = {10.1111/j.1475-1313.1994.tb00021.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/7970753/},
  note = {Source identifier: 7970753}
}