"Singleton , Loy A." <br/><br/>
Global impact 

 - New York  Harper & Row  1989 
 - 270p. 
<br/><br/><label>ISBN: </label>887302599 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecommunication systems
<br/><br/><label>Dewey Class. No.: </label>384 SIN