Shields, Rob <br/><br/>
The virtual / 
Rob Shields 
 - New York :  Routledge Taylor & Francis Group,  2003       
 - 246 p. 
<br/><br/><label>ISBN: </label>0415281806 
<br/><br/><label>LC Class. No.: </label>T 58.6 S332v 2003 \