@misc{indiciaef1f5e8b01cde,
  title = {Thresholds for detecting slowly changing Ganzfeld luminances.},
  author = {H Knau},
  year = {2000},
  doi = {10.1364/josaa.17.001382},
  url = {https://pubmed.ncbi.nlm.nih.gov/10935865/},
  note = {Source identifier: 10935865}
}