Grant, Eugene L.  1897-1996. <br/><br/>
Principles of engineering economy / 
Eugene L. Grant, W. Grant Ireson, Richard S. Leavenworth. 
 - 7th ed. 
 - New York :  Wiley,  1982. 
 - x, 687 p. :  ill. ;  24 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>047106436X 
<br/><br/><label>LCCN: </label>81010399  
<br/><br/><label>LC Class. No.: </label>TA177.4  / .G7 1982 
<br/><br/><label>Dewey Class. No.: </label>658.15/5