@misc{indiciaeef6bd466a554,
  title = {Automatic apparatus for stimulus presentation and recording in visual threshold experiments.},
  author = {H R BLACKWELL and B S PRITCHARD and J G OHMART},
  year = {1954},
  doi = {10.1364/josa.44.000322},
  url = {https://pubmed.ncbi.nlm.nih.gov/13152604/},
  note = {Source identifier: 13152604}
}