Martin, James <br/><br/>
Future developments in telecommunications 

 - 2nd ed. 
 - New Jersey  Prentice-Hall  1971 
 - xviii,668 p. 
<br/><br/> Includes Index. 
<br/><br/><label>ISBN: </label>0-13-345850-4 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Future developments in telecommunications.
<br/><br/><label>Dewey Class. No.: </label>D65,43 L1