Dordick, Herbert S.,  1925- <br/><br/>
Understanding modern telecommunications/ 
Herbert S. Dordick. 
 - New York :  McGraw-Hill,  c1986. 
 - x, 324 p. :  ill. ;  25 cm. 
 - McGraw-Hill series in mass communication .
<br/><br/>Includes bibliographies and index. 
<br/><br/><label>ISBN: </label>0070176620 :  $25.95 (est.) 
<br/><br/><label>LCCN: </label>85011382  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecommunication.
<br/><br/><label>LC Class. No.: </label>TK5101  / .D64 1986 
<br/><br/><label>Dewey Class. No.: </label>384