Bates, Regis J. (Bud) <br/><br/>
Voice and data communications handbook   
by Regis J. (Bud) Bates and Donald W. Gregory 
 - 3rd ed. 
 - New Delhi  McGraw-Hill  2000 
 - xxiv, 998p. 
<br/><br/><label>ISBN: </label>0070402000 
<br/><br/><label>Dewey Class. No.: </label>621.382  / P001