TY  - GEN
AU  - Olds,James
TI  - The growth and structure of motives: Psychological studies in the theory of action
U1  - 152.5 OLD 
PY  - 1956///
CY  - Illinois
PB  - The Free Press
KW  - Motivation (Psychology)
KW  - Secondary Reinforcement
KW  - Psychological Studies
ER  -