Eberspacher, Jorg & Vogel, Hans-Jorg <br/><br/>
GSM Switching, Service and Protocals 

 - John Wiley & Sons, New York  1999 
 - XII,274 
<br/><br/><label>ISBN: </label>0-471-98278-4 
<br/><br/><label>Dewey Class. No.: </label>621.382 Ebe/Vog