Kelleher, Kathleen.  Cross, Thomas. <br/><br/>
Teleconferencing: Linking People Together Electronically 

 - New Jersey  Prentice Hall  1985 
 - 24X16 
<br/><br/><label>ISBN: </label>013902370 
<br/><br/><label>Dewey Class. No.: </label>621.384 K29