TY  - BOOK
AU  - Gulliksen,Harold
TI  - Theory of mental tests
T2  - Wiley publications in psychology
AV  - BF176 .G85
U1  - 151.2 
PY  - 1950///
CY  - New York
PB  - Wiley
KW  - Educational tests and measurements
N1  - Bibliography: p. 397-420
ER  -