Martin, James <br/><br/>
Telecommunications and the computer / 
James Martin 
 - 3rd ed. 
 - Englewood Cliffs, NJ :  Prentice Hall,  1990 
 - xvi, 720 p. :  ill. (some col.) ;  25 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>0139026444 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecommunication<br/>Data transmission systems