Encyclopedia of telecommunications / 
Robert A. Meyers, editor 
 - San Diego, Calif. :  Academic Press,  1989 
 - 575 p. :  ill. :  25 cm. 
<br/><br/><label>ISBN: </label>0122266919 
<br/><br/><label>LCCN: </label>88-022343 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecommunications--Dictionaries