@misc{indiciaec21b8ff608f7,
  title = {Retinal summation and human visual thresholds.},
  author = {R A WEALE},
  year = {1958},
  doi = {10.1038/181154a0},
  url = {https://pubmed.ncbi.nlm.nih.gov/13504114/},
  note = {Source identifier: 13504114}
}