Schaphorst, Richard. , <br/><br/>
Videoconferencing and videotelephony :  technology and standards / 
Richard Schaphorst. 
 - 2nd ed. 
 - xii, 299 pages :  illustrations ;  23 cm. 
<br/><br/><label>ISBN: </label>0890069972 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Interactive multimedia.<br/>Videoconferencing.<br/>Digital communications.
<br/><br/><label>LC Class. No.: </label>QA76.76.I59   / .S32 1999