TY  - BOOK
AU  - Keller,Fred S.
AU  - Schoenfeld,William N.
TI  - Principles of psychology: a systematic text in the science of behavior 
U1  - 150 
PY  - 1950///
CY  - New York
PB  - Appleton-Century-Crofts
KW  - Psychology
N1  - Includes bibliographical references and index
ER  -