TY  - GEN
AU  - Fischer, Gerhard H. 
AU  - Molenaar, Ivo W.
TI  - Rasch models: foundations, recent developments, and applications
SN  - 0387944990
U1  - 150.15195 
PY  - 1995///
CY  - New York
PB  - Springer
KW  - Psychology
ER  -