Martin James Au. <br/><br/>
Future developments in telecommunications 
Martin James Au. 
 - New Jersey   Prentice Hall          1971 
 - xi, 413p. Bibliography at the end of each chapter  cm. 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Communication
<br/><br/><label>Dewey Class. No.: </label>X36.73.N, L1