TY  - BOOK
AU  - Walker,Stephen
TI  - Learning and reinforcement
SN  - 0416827802
U1  - 150.194 
PY  - 1975///
CY  - London
PB  - Methuen
KW  - Conditioned response
KW  - Reinforcement (Psychology)
N1  - Includes bibliographies and indexes
ER  -