TY  - BOOK
AU  - Catania,Charles A.,ed
TI  - Contemporary research in operant behavior / 
U1  - 152.3224 
PY  - 1968///.
CY  - Glenview : 
PB  - Scott, Foresman and company, 
KW  - Conducta operante
KW  - Reflejos condicionados
KW  - Control de estimulo
ER  -