Barry W Boehm <br/><br/>
Software engineering economics 

 - Prentice Hall PTR, New Jersey  1981 
 - xxvii,767p figs. 
<br/><br/><label>ISBN: </label>0-13-822122-7 
<br/><br/><label>Dewey Class. No.: </label>001.6425 Boe