TY  - BOOK
AU  - Glaser,Robert
TI  - The nature of reinforcement
SN  - 0122862504
PY  - 1971///
CY  - New York
PB  - Academic Press
KW  - Educational psychology
N1  - Includes bibliographical references and index; 'A symposium of the Learning Research and Development Centre, University of Pittsburgh'
ER  -