TY  - BOOK
AU  - Ray,William S.
TI  - Statistics in psychological research
AV  - BF39  .R33 1962 
U1  - 150.21  22nd ed.
PY  - 1962///
CY  - New York
PB  - MacMillan
KW  - Psychological research
N1  - Includes index
ER  -