@misc{indiciae6b850c98c25a,
  title = {Discrimination and operant extinction.},
  author = {H M HURWITZ and J CUTTS},
  year = {1957},
  doi = {10.1111/j.2044-8295.1957.tb00602.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/13426492/},
  note = {Source identifier: 13426492}
}