@misc{indiciaec704a55704fa,
  title = {BEHAVIORAL CONTRAST DURING MULTIPLE AVOIDANCE SCHEDULES.},
  author = {G A WERTHEIM},
  year = {1965},
  doi = {10.1901/jeab.1965.8-269},
  url = {https://pubmed.ncbi.nlm.nih.gov/14342362/},
  note = {Source identifier: 14342362}
}