TY  - BOOK
AU  - Hull,Clark Leonard
TI  - A behavior system: an introduction to behavior theory concerning the individual organism 
U1  - 150 
PY  - 1952///
CY  - New Haven, London
PB  - Yale University Press, Geoffrey Cumberlege, Oxford University Press
KW  - Animal intelligence
KW  - Psychology, Comparative
KW  - Psychophysiology
N1  - Includes index
ER  -