TY  - BOOK
AU  - Keller,Fred S.
AU  - Schoenfeld,William N.
TI  - Principles of psychology: a systematic text in the science of behavior 
SN  - 1406746730 :
PY  - 1950///
CY  - New York
PB  - Appleton-Century-Crofts
KW  - Psychology
ER  -