Conover, William Jay. Practical nonparametric statistics /by W. J. Conover - 3 ed. - New York : Wiley, 1999 - viii, 584 p. ISBN: 0471160687 LCCN: 98678 Subjects--Topical Terms: Estadística noparamétrica. Dewey Class. No.: 519.54 / C76 1999