Kleinbaum, David G. Applied regression analysis and other multivariable methods / David G. Kleinbaum, Lawrence L. Kupper - North Scituate, Mass. : Duxbury Press, 1978 - 556 p. : ill. ; 24 cm. References : p 486- 490 ISBN: 0878721398 LCCN: 77-022327 Subjects--Topical Terms: Multivariable methodsRegression analysis