TY - BOOK AU - Conover W J TI - Practical nonparametric statistics SN - 0471160687 (hbd) U1 - B28, L1;N9 TB28 PY - 1999/// CY - New York John Wiley Sons, Inc. KW - Nonparametric KW - Statistics N1 - Bibliographical references 474-504p ER -