TY  - BOOK
AU  - Skinner,B.F.
TI  - Contingencies Of Reinforcement : : A Theoretical Analysis
T2  - The Century psychology series
SN  - 0131717286
U1  - 150.1943 SKI 
PY  - 1969///
CY  - Englewood Cliffs, N.J.
PB  - Prentice-Hall
KW  - Operant behavior
KW  - Reinforcement (Psychology)
N1  - Includes index; Bibliography: p. 299-308
ER  -