TY - BOOK AU - Hampel,Frank R. AU - Ronchetti,Elvezio M. AU - Rousseeuw,Peter J. AU - Stahel,Werner A. TI - Robust statistics: the approach based on influence functions SN - 0471829218 : U1 - 519.5 PY - 1986/// CY - New York PB - Wiley KW - Robust statistics N1 - Includes indexes ER -