Charles Steinfield, Brian T. Pentland, Mark Ackerman, Noshir Contractor <br/><br/>
Communities and Technologies 2007 

 - New York  Springer US  2007 
<br/><br/><label>ISBN: </label>978-1-84628-905-7 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer Science