TY - BOOK AU - Lehmann E L AU - D,Abrera H J M TI - Nonparametrics: statistical methods based on ranks SN - 0-8162-4994-6 U1 - 000SA.12 PY - 1975/// CY - Oakland PB - Holden-Day KW - Non-parametric inference KW - Non-parametric statistics KW - Ranks ER -