Elton, Edwin J. Modern portfolio theory and investment analysis / Edwin J.Elton and Martin. J Gruber. - 5th ed. - New York : john Wily & Sons Publications, 1996 - xix, 715 p. : table, figs, ; 24 cm. Includes index. ISBN: 9971511878 Subjects--Topical Terms: Modern portfolio theory Dewey Class. No.: 332.6 / ELM