@misc{indiciaeace8a962cc35,
  title = {Conditioned suppression and variable ratio reinforcement.},
  author = {D O Lyon and M Felton},
  year = {1966},
  doi = {10.1901/jeab.1966.9-245},
  url = {https://pubmed.ncbi.nlm.nih.gov/5932108/},
  note = {Source identifier: 5932108}
}