Horak, Ray. <br/><br/>
Communications systems and networks / 
by Ray Horak. 
 - 2nd ed. 
 - New Delhi :  IDG Books,  2000. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>812650157x 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecommunication systems.<br/>Computer networks.
<br/><br/><label>Dewey Class. No.: </label>621.382  / HOR