Dungan, Frank R.,  1924- <br/><br/>
Electronic communications systems / 
Frank R. Dungan. 
 - 3rd ed. 
 - Albany :  Delmar Publishers,  c1998. 
 - xi, 819 p. :  ill. ;  24 cm. 
<br/><br/> Includes index. 
<br/><br/>
<br/><br/><label>ISBN: </label>9812403957  630.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electrical & electronics engineering.<br/>Telecommunication systems.<br/>Communication circuits.<br/>Optical communications.
<br/><br/><label>Dewey Class. No.: </label>621.382