@misc{indiciae30f801adb34d,
  title = {Visual discrimination and response programming.},
  author = {H Heuer},
  year = {1987},
  doi = {10.1007/bf00308673},
  url = {https://pubmed.ncbi.nlm.nih.gov/3671632/},
  note = {Source identifier: 3671632}
}