Pimentel, Ken. <br/><br/>
Virtual Reality : Through the new looking glass /  
by Ken Pimentel & Kevin Teixeira. 
 - 1st ed /  
 - New York :   McGraw-Hill, Inc ,   1991 
 - p301 ;  
<br/><br/><label>ISBN: </label>0-8306-4065-7 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Virtual Reality
<br/><br/><label>Dewey Class. No.: </label>Bv  / N2