James Martin. <br/><br/>
Future development in telecommunications / 
Martin J. 
 - Englewood cliffs :  Prentice -Hall ;  1971. 
 - 413 pages. 
<br/><br/>includes index. 
<br/><br/><label>ISBN: </label>133458687 
<br/><br/><label>Subjects--Topical Terms: </label><br/>telecommunication
<br/><br/><label>LC Class. No.: </label>TK 5101  / .M37 1971