Dunlop, John; Girma, Demessie & Irvine, James <br/><br/>
Digital mobile communication and the TETRA system 

 - Wiley, New Delhi  1999 
 - xvii,436 
<br/><br/><label>ISBN: </label>9788126540419 
<br/><br/><label>Dewey Class. No.: </label>Dun