@misc{indiciaed30287317bb2,
  title = {Theoretical and methodological considerations on drug discrimination learning.},
  author = {F C Colpaert and C J Niemegeers and P A Janssen},
  year = {1976},
  doi = {10.1007/bf00421388},
  url = {https://pubmed.ncbi.nlm.nih.gov/951454/},
  note = {Source identifier: 951454}
}