TY  - BOOK
AU  - Hull,Clark Leonard
TI  - Principles of behavior: an introduction to behavior theory 
U1  - 150.1943 
PY  - 1943///
CY  - New York, London
PB  - Appleton-Century
KW  - Behaviorism (Psychology)
N1  - "References" at end of each chapter
ER  -