Schaphorst, Richard. <br/><br/>
Videoconferencing and videotelephony :  technology and standards / 
Richard Schaphorst. 
 - 2nd ed. 
 - Boston, Mass. :  Artech House,  c1999. 
 - xiii, 299 p. :  ill. ;  24 cm. 
 - Artech House telecommunications library. .
<br/><br/> Includes index. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0890069972 (cased) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Interactive multimedia.<br/>Videoconferencing.<br/>Digital communications.