@misc{indiciaecd7a5deb8eff,
  title = {A light-activated scheduling system for complex visual discrimination training.},
  author = {G B Biederman},
  year = {1969},
  doi = {10.1901/jeab.1969.12-947},
  url = {https://pubmed.ncbi.nlm.nih.gov/5359626/},
  note = {Source identifier: 5359626}
}