Conover, W. J. Practical nonparametric statistics / W. J. Conover. - New York : Wiley, c1971. - x, 462 p. : illus. ; 24 cm. Bibliography: p. 428-449. ISBN: 0471168513 Subjects--Topical Terms: Nonparametric statistics. Dewey Class. No.: 519.53 / COP 1971