TY  - BOOK
AU  - Reynolds,G.S.
TI  - A primer of operant conditioning / 
U1  - 153.15 
PY  - 1968///
CY  - Glenview, Ill. : 
PB  - Scott, Foresman, 
KW  - Operant conditioning
N1  -  Includes bibliographical references (p. 131-135) and index
ER  -