@misc{indiciaebf31567edb51,
  title = {Partial avoidance contingencies.},
  author = {G G Neffinger and J Gibbon},
  year = {1975},
  doi = {10.1901/jeab.1975.23-437},
  url = {https://pubmed.ncbi.nlm.nih.gov/16811855/},
  note = {Source identifier: 16811855}
}