TY  - BOOK
AU  -  Underwood Benton J.
TI  - Psychological research
U1  - 150.072 
PY  - 1957///
CY  - New York
PB  - Appleton-Century-Crofts
KW  - Psychology - - methods
KW  - Research
N2  -  Psychology - - methods, Research
ER  -