Urban G L <br/><br/>
Design and marketing of new products 
Urban G L; Hauser J R 
 - Ed 2 
 - Englewood  Englewood, Prentice Hall  1993 
 - 728p 
<br/><br/><label>ISBN: </label>0-13-201567-6 
<br/><br/><label>Source: </label>Textbook