Tisal, Joachim <br/><br/>
GSM Cellular radio telephony / 
Joachim Tisal. 
 - Chichester :  John Wiley,  1997, repr. 2000. 
 - ix, 178 p. :  ill. ;  23 cm. 
<br/><br/><label>ISBN: </label>0471968269 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Global system for mobile communications
<br/><br/><label>Dewey Class. No.: </label>621.38456 TIS