TY  - BOOK
AU  - Ferster,Charles B.
AU  - Skinner,B.F.
TI  - Schedules of reinforcement
T2  - Century psychology series
AV  - BF319 F46
PY  - 1957///
CY  - New York
PB  - Appleton-century-crofts
KW  - Refuerzo (Psicología)
ER  -