TY - BOOK AU - ELTON, Edwin J...[et al.] AU - GRUBER, Martin J. AU - BROWN, Stephen J. TI - Modern portfolio theory and investment analysis SN - 9780470505847 PY - 2011/// CY - Hoboken PB - John Wiley and Sons, Inc. KW - Portfolio management KW - Investment analysis N1 - Includes bibliographical references and index ER -