Kleinbaum, David G. Applied regression analysis and other multivariable methods / David G. Kleinbaum, Lawrence L. Kupper. - North Scituate, Mass. : Duxbury Press, c1978. - xv, 556 p. : ill. ; 25 cm. Includes index. Includes bibliographical references: p. 486-490. ISBN: 0871503557 (hbk.) Subjects--Topical Terms: Multivariate analysis.Regression analysis.