Bates, Rajis J. <br/><br/>
Voice and Data Communications Handbook 
by Regis J. Bates and Donald W. Gregory 
 - 4th Ed. 
 - New Delhi  Tata McGraw-Hill Publishing  2003 
 - xxviii, 1074p. 
<br/><br/><label>ISBN: </label>0070472815 9780070472815 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Voice communications<br/>Telecommunications<br/>Data communications
<br/><br/><label>Dewey Class. No.: </label>621.382 BAT