@misc{indiciae68dbc320d52d,
  title = {Operant manipulandum for kittens.},
  author = {D SYMMES},
  year = {1963},
  doi = {10.1901/jeab.1963.6-457},
  url = {https://pubmed.ncbi.nlm.nih.gov/13979787/},
  note = {Source identifier: 13979787}
}