@misc{indiciae50b6388503c8,
  title = {Parametric manipulations and fixed-interval self-stimulation.},
  author = {G E Hunt and D M Atrens},
  year = {1992},
  doi = {10.1016/0031-9384(92)90085-g},
  url = {https://pubmed.ncbi.nlm.nih.gov/1615038/},
  note = {Source identifier: 1615038}
}