TY  - BOOK
AU  - Hardle Wolfgang
AU  -  Simar Leopold
TI  - Applied multivariate statistical analysis
SN  - 9783540722434
U1  - B377, P7 
PY  - 2007///
CY  - New York
PB  - Springer-Verlag         
KW  - Economics
N1  - Bibliography: P451-454
ER  -