Martin, James <br/><br/>
Future development in telecommunications /    
James Martin. 
 - Englewood Cliffs, N.J. :   Prentice-Hall ,   c1971. 
 - xiii, 413 p. :    ill. ;    24 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telcommunication.--------
<br/><br/><label>Dewey Class. No.: </label>384.06 MAR