Encyclopedia of virtual communities and technologies / 
Subhasish Dasgupta, editor 
 - Hershey ;  Idea Group Reference ,  2005 
 - 589 p. :  ill. ;  28 cm. 
<br/><br/> Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>1591405637 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electronic villages (Computer networks)--Encyclopedias<br/>Telecommunication--Encyclopedias<br/>Virtual reality--Encyclopedias