@misc{indiciae06d269a2fe82,
  title = {The relationship between training methods and reward variables in brightness discrimination learning.},
  author = {R K MCKELVEY},
  year = {1956},
  doi = {10.1037/h0044397},
  url = {https://pubmed.ncbi.nlm.nih.gov/13376759/},
  note = {Source identifier: 13376759}
}