TY  - BOOK
AU  - Brown, Roger
AU  - Herrnstein
AU  - Richard J.
TI  - Psychology 
SN  - 0416560407
U1  - 150 
PY  - 1975///
CY  - London
PB  - Methuen & Co LTD
KW  - PSYCHOLOGY
KW  - Psychology-textbooks
ER  -