TY  - BOOK
AU  - Hampel Frank R
TI  - Robust statistics: The approach based on influence   
T2  - Wiley Series in Probability and Mathematical statistics
U1  - B28, M6 
PY  - 1986///
CY  - New York
PB  - John Wiley        
KW  - Statistics
N1  - Bibliography P 439-364
ER  -