Elton Edwin J. Modern portfolio theory and investment analysis Elton Edwin J.; Gruber Martin J.; Brown Stephen J.; Goetzmann William N. - 8th - New Delhi Wiley 2015 - xviii;727p. cm. ISBN: 3145 Standard No.: 127798 Source: 146, 31/12/2015, Excel Book International Textual Subjects--Topical Terms: Financial Studies Dewey Class. No.: X65291, Q0;1-5