Elton, Edwin J. <br/><br/>
Modern portfolio theory and investment analysis / 
Edwin J. Elton, Martin J. Gruber. 
 - New York :  John Wiley & Sons,  1981. 
 - 552 p. :  ill. ;  23 cm. 
<br/><br/>Includes bibliographies and index. 
<br/><br/><label>ISBN: </label>0471046906 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Portfolio management.<br/>Investment analysis.