@misc{indiciaefcc36c803de2,
  title = {Effects of fixed and variable ratios on human behavioral variability.},
  author = {T A Tatham and B A Wanchisen and P N Hineline},
  year = {1993},
  doi = {10.1901/jeab.1993.59-349},
  url = {https://pubmed.ncbi.nlm.nih.gov/8454958/},
  note = {Source identifier: 8454958}
}