Bates, R <br/><br/>
Voice & data communications handbook 

 - 4th edition. 
 - New Delhi :  Tatamcgraw-Hill Publication,  2003. 
 - xxvii,1073 
<br/><br/><label>ISBN: </label>0-07-047281-5 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electrical Electronics Communication,
<br/><br/><label>Dewey Class. No.: </label>621.382  / BAT