Tisal,Joachim <br/><br/>
The GSM network GPRS evolution:one step towards UMTS / 
Tisal,Joachim. 
 - 2nd ed 
 - New York:  John Wiley & Sons,  0. 
 - ix,227p;24cm 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0471498165 
<br/><br/><label>Dewey Class. No.: </label>621.382 TIS