Grady, Sean M. <br/><br/>
Virtual reality :  computers mimic the physical world / 
Sean M. Grady 
 - New Delhi :  Universities Press,  c2000 
 - vi, 170 p. :  ill. ;  24 cm. 
 - Universities press science source books .
<br/><br/> Glossary : p. 156-166 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>8173713456 (pbk) :  Rs. 175.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Human-computer interaction--Juvenile literature<br/>Virtual reality--Juvenile literature
<br/><br/><label>Dewey Class. No.: </label>006