TY - BOOK ED - Edwin J. Elton TI - Modern portfolio theory and investment analysis SN - 9780470505847 U1 - Circ. 332.6 M691 2011 PY - 2011/// CY - N.J. : PB - John Wiley & Sons, Inc. , KW - 1. Portfolio management. KW - 2. Investment analysis N1 - Includes bibliographical references & index ER -