TY  - BOOK
AU  - Teevan,Richard Collier
AU  - Birney,Robert Charles
TI  - Reinforcement: An enduring problem in psychology : Selected readings. 
PY  - 1961///]
CY  - Princeton, N.J.
PB  - Van Nostrand
KW  - Reinforcement (Psychology)
N1  - Includes bibliogr. references
ER  -