DunganI  <br/><br/>
Electronic communications systems  
/ Frank R. Dungan. 
 - 3rd ed.. 
 - Albany  Delmar Publishers  1998. 
 - xi, 819p.  ill.  24cm 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>0827386249 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecommunication
<br/><br/><label>Dewey Class. No.: </label>621.382 DUN 1998