TY  - BOOK
AU  - Ferster,Charles B.
AU  - Skinner,Burrhus Frederic
TI  - Schedules of reinforcement
T2  - The Century Psychology Series
AV  - BF319 .F4
U1  - 154.449 
PY  - 1957///]
CY  - New York
PB  - Appleton-Century-Crofts
KW  - Reinforcement Psychology
KW  - Local
N1  - "Most of the work ... was carried out under contract to the Office of Naval Research under Contracts No. N5ori-07631 and M5ori-07656 with Harvard University ... between September 1, 1949 and June 30, 1955."
ER  -