@misc{indiciaeca744252ee11,
  title = {Choice between single and multiple delayed reinforcers.},
  author = {J E Mazur},
  year = {1986},
  doi = {10.1901/jeab.1986.46-67},
  url = {https://pubmed.ncbi.nlm.nih.gov/3746189/},
  note = {Source identifier: 3746189}
}