Schaphorst <br/><br/>
Videoconferencing and Videotelephony  Technology and Standards, Second ed. 
Richard Schaphorst 
 - [Second Edition] 
 - USA  Artech House Inc.  1999 
 - xiii, 299p.  ill.  23 cm 
<br/><br/><label>ISBN: </label>0890069972 
<br/><br/><label>LCCN: </label>9917753 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Digital Communications<br/>Interactive Multimedia<br/>Videoconferencing