Grant, E.L.  <br/><br/>
Principles of engineering economy  (Book) 

 - 5th ed. 
 - New York  Ronald Press  1970 
 - 640 p.  23 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Engineering economy
<br/><br/><label>Universal Decimal Class. No.: </label>62 : 651.01 GRA  / 13983