Elton, Edwin J; Gruber, Martin Modern portfolio theory and investment analysis / Elton, Edwin J; Gruber, Martin - 5 ed. - John Wiley & Sons Inc., New York, 1996 - p. ; 22 cm. ISBN: 0471007439 Subjects--Topical Terms: Investments; Financial economics Dewey Class. No.: 332.6 ELT-M5