@misc{indiciae2a883bb37994,
  title = {Eye spy--the alternatives.},
  author = {M A Gray},
  year = {1984},
  doi = {10.1016/0278-6915(84)90216-3},
  url = {https://pubmed.ncbi.nlm.nih.gov/6541629/},
  note = {Source identifier: 6541629}
}