TY  - GEN
AU  - Dougherty,D M
AU  - Lewis,P
TI  - Matching by horses on several concurrent variable-interval schedules
SN  - 0376-6357
PY  - 2014///0614
N1  - Publication Type: Journal Article
UR  - https://doi.org/10.1016/0376-6357(92)90003-V
ER  -