TY  - RPRT
TI  - Effects of fixed and variable ratios on human behavioral variability.
AU  - T A Tatham
AU  - B A Wanchisen
AU  - P N Hineline
PY  - 1993
DO  - 10.1901/jeab.1993.59-349
UR  - https://pubmed.ncbi.nlm.nih.gov/8454958/
ID  - 8454958
ER  -