Martin, James <br/><br/>
Future developments in tele-communications / 
James Martin 
 - 2a. ed 
 - New Jersey :  Prentice-Hall,  1977 
 - 651 p. :  il. 
<br/><br/>Prologue. -- PART I. Telecommunications and its uses. --PART II. Synthesis. -- PART. III. Technology. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>TELECOMUNICACIONES
<br/><br/><label>Dewey Class. No.: </label>621.38 MARf