TY  - BOOK
AU  - Van Der Linden Wim J
TI  - Linear models for optimal test design
T2  - Statistics for Social and Behavioral Sciences
SN  - 0387202722
U1  - X:(B7:3), P5 
PY  - 2005///
CY  - New York
PB  - Springer         
KW  - Economics IRT Mathematics Mechanic Dynamics
N1  - Bibliography: P 389-401
ER  -