TY  - BOOK
AU  - Longford, Nicholas T..
TI  - Springer Series in Statistics- Modules for uncertainty in educational testing / 
SN  - 0-387-94513-X
U1  - B28 
PY  - 1995///
CY  - New York : 
PB  - Springer-Verlag , 
KW  - Statistics
ER  -