Cole, Marion. <br/><br/>
Introduction to telecommunications  voice, data, and the Internet /  [Book] : 
Marion Cole. 
 - 2nd ed. 
 - New Delhi :  Pearson Education (Singapore),  c2002. 
 - xvi, 608 p. :  ill. ;  24 cm. 
<br/><br/> Includes index. 
<br/><br/> All. 
<br/><br/><label>ISBN: </label>8178089734 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecommunication.
<br/><br/><label>Dewey Class. No.: </label>621.382