Woo ,Manson  <br/><br/>
Open GL Programming guide 

 - 4th 
 -  Addison wesley Boston  2004 
 -  P-759 
<br/><br/><label>Subjects--Personal Names: </label>
<br/><br/><label>Subjects--Corporate Names: </label>
<br/><br/><label>Dewey Class. No.: </label>006.e93/W873o