Elton, Edwin J. <br/><br/>
Modern portfolio theory and investment analysis   
by Edwin J. Elton and Martin J. Grubner 
 - 2nd 
 - New-0York  John-Wiley & sons  1981 
 - xvii, 636p. 
<br/><br/><label>ISBN: </label>0471874825 
<br/><br/><label>Dewey Class. No.: </label>332.6  / N84