@misc{indiciae65fed45fa580,
  title = {Spatial frequency channels in human vision and the threshold for adaptation.},
  author = {S Stecher and C Sigel and R V Lange},
  year = {1973},
  doi = {10.1016/0042-6989(73)90088-6},
  url = {https://pubmed.ncbi.nlm.nih.gov/4733211/},
  note = {Source identifier: 4733211}
}