@misc{indiciaecb9b6ce83c8e,
  title = {Behavioral contrast without response-rate reduction.},
  author = {M S Halliday and R A Boakes},
  year = {1974},
  doi = {10.1901/jeab.1974.22-453},
  url = {https://pubmed.ncbi.nlm.nih.gov/16811808/},
  note = {Source identifier: 16811808}
}