Cole, Marion. <br/><br/>
Introduction to telecommunications: voice, data, and the Internet 
Marion Cole. 
 - 2nd ed. 
 - Upper Saddle River, N.J. :  Prentice Hall,  c2002. 
 - xvi, 608 p. :  ill. ;  25 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0130608904 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecommunication.
<br/><br/><label>Dewey Class. No.: </label>621.382