Gregory;Donald <br/><br/>
Voice & data communications handbook 

 - india  Mcgraw hill  2007 
 - 644 
<br/><br/><label>ISBN: </label>0-07-226335-0 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Engineering--Avionics
<br/><br/><label>Dewey Class. No.: </label>621-382  / GRE-V