@misc{indiciae8562caffb9bb,
  title = {Delayed reward, delay-box confinement, and instrumental performance: a within-type design.},
  author = {E L Wike and R L Mellgren and C A Cour},
  year = {1967},
  doi = {10.2466/pr0.1967.21.3.857},
  url = {https://pubmed.ncbi.nlm.nih.gov/6079653/},
  note = {Source identifier: 6079653}
}