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 - 0471632384 U1 - 519.5 PY - 1986/// CY - .- New York PB - : John Wiley KW - Pure Sciences KW - Mathematics KW - Statistics ER -