Blyth, W. John. <br/><br/>
Telecommunications :  concepts, development, and management / 
W. John Blyth, Mary M. Blyth. 
 - 2nd ed. 
 - Mission Hills, Calif. :  Glencoe/McGraw-Hill,  c1990. 
 - 362 p. :  ill. ;  25 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0026808412 0026808420 
<br/><br/><label>LCCN: </label>90163662  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecommunication--United States.<br/>Telecommunication--Management.
<br/><br/><label>LC Class. No.: </label>HE7775  / .B53 1990 
<br/><br/><label>Dewey Class. No.: </label>384