TY  - BOOK
AU  -  Helmstadter G. C.
TI  - Principles of psychological measurement
U1  - 155.28 
PY  - 1966///
CY  - London
PB  - Methuen
KW  - Personality Assessment
KW  - Psychological Tests
KW  - Psychological Assessment
N2  -  Psychological Assessment, Psychological Tests, Personality Assessment
ER  -