TY  - BOOK
AU  - Birney, Robert Charles,
AU  - Teevan, Richard Collier,
TI  - Reinforcement,: an enduring problem in psychology; selected readin gs
T2  - An Insight book, 3
U1  - 154.4 
PY  - 1961///
CY  - Princeton, N.J.
PB  -  Van Nostrand
KW  - Reinforcement (Psychology)
N1  - Includes bibliography
ER  -