Bhattacharya, Tapan <br/><br/>
The illusive world of virtual reality/ 
Tapan Bhattacharya 
 - New Delhi:  National Book Trust,  1997. 
 - xiv, 158 p. :  ill. ;  22 cm. 
<br/><br/><label>ISBN: </label>978-81-237-1949-8 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Virtual reality
<br/><br/><label>Dewey Class. No.: </label>500  / BHA/T