Giambruno, Mark <br/><br/>
3D graphics & animation : second edition 
Mark Giambruno 
 - United State of America  New Riders Publishing  2002 
 - 588p.  ill.  23cm 
<br/><br/> includes index :p. 557 - 588 
<br/><br/><label>ISBN: </label>0735712433