Sprent, Peter. Applied nonparametric statistical methods / Peter Sprent. - New York : Chapman and Hall, 1989. - x, 259 p. : ill. ; 24 cm. Includes index. ISBN: 041230600X 0412306107 (pbk.) Subjects--Topical Terms: Nonparametric statistics. Dewey Class. No.: 519.5 / SPA 1989