@misc{indiciae51357395a193,
  title = {Adjunctive behavior induced by wheel running.},
  author = {G Singer and M J Wayner and J Stein and K Cimino and K King},
  year = {1974},
  doi = {10.1016/0031-9384(74)90126-7},
  url = {https://pubmed.ncbi.nlm.nih.gov/4820143/},
  note = {Source identifier: 4820143}
}