@misc{indiciaebee5832978e6,
  title = {Asymmetrical stimulus control and the mirror-image problem.},
  author = {J C Clarke and G J Whitehurst},
  year = {1974},
  doi = {10.1016/0022-0965(74)90012-5},
  url = {https://pubmed.ncbi.nlm.nih.gov/4816644/},
  note = {Source identifier: 4816644}
}