Bates,Regis Bud J. <br/><br/>
Voice and data communication handbook McGraw hill communication 

 - 5th . Ed. 
 - New Delhi  Tata McGraw Hill Education Limited  2007 
 - 651 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer Engineering
<br/><br/><label>Dewey Class. No.: </label>4  / BA-V