@misc{indiciae8406a6aa5342,
  title = {A device for chronically controlled visual input.},
  author = {R K Siegel},
  year = {1968},
  doi = {10.1901/jeab.1968.11-559},
  url = {https://pubmed.ncbi.nlm.nih.gov/5722417/},
  note = {Source identifier: 5722417}
}