Elton Edwin J Modern portfolio theory and investment analysis. Elton Edwin J; Gruber Martin J; Brown Stephen J - 8th - New Delhi Wiley 2012 - xviii;727p. cm. ISBN: 549 Standard No.: 119053 Source: 84, 22/08/2013, Vardhman Books Textual Subjects--Topical Terms: Financial Studies Dewey Class. No.: X65291, Q0