TY  - BOOK
AU  - Hasway Robert M
TI  - Objective mental measurement :  individual and program evaluation using the Rasch model
U1  - S:38, L8 
PY  - 1978///
CY  - New York
PB  - Praeger Pub     
KW  - PSYCHOLOGY
N1  - Bib 99-105p
ER  -