Bates, Regis J. <br/><br/>
Principles of voice & data communications /  [book] 
 Principles of voice and data communications 
Regis J. Bates, Marcus Bates 
 - Boston :  McGraw-Hill Irwin,  c2007. 
 - xxviii, 782 p. :  ill. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>0072257326 (alk. paper) 9780071257671 0071257675 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecommunication
<br/><br/><label>LC Class. No.: </label>TK5101  / .B319 2007