TY  - BOOK
AU  - Hardle Wolfgang, and others
TI  - Non-parametric and semi-parametric models
T2  - Springer Series in Statistics
SN  - 3540207228
U1  - X:(B), P4 
PY  - 2004///
CY  - Heidelberg
PB  - Springer-Verlag          
KW  - Econometrics
N1  - Bibliography: P 279-90
ER  -