@misc{indiciaefc1e181f368a,
  title = {A method for constructing sequences in contingent discrimination designs.},
  author = {M Goldstein},
  year = {1967},
  doi = {10.1037/h0024479},
  url = {https://pubmed.ncbi.nlm.nih.gov/6047174/},
  note = {Source identifier: 6047174}
}