TY  - RPRT
TI  - Force and rate relations in responding during variable-interval reinforcement.
AU  - D E Mintz
AU  - R M Samuels
AU  - N G Barber
PY  - 1976
DO  - 10.1901/jeab.1976.26-387
UR  - https://pubmed.ncbi.nlm.nih.gov/16811954/
ID  - 16811954
ER  -