Encyclopedia of telecommunications / 
Robert A. Meyers, editor. 
 - San Diego :  Academic Press,  c1989. 
 - xi, 575 p. :  ill. ;  27 cm. 
<br/><br/>Includes bibliographies and index. 
<br/><br/><label>ISBN: </label>0122266919 (alk. paper) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecommunication--Encyclopedias.
<br/><br/><label>Dewey Class. No.: </label>621.3803  / ENC 1989