TY  - BOOK
AU  - Dunlop,John
AU  - Girma ,Demessie 
AU  -  Irvine,James
TI  - Digital mobile communication and TETRA system
SN  - 9788126540419
U1  - 621.38456/DUN/D 
PY  - 2013///
CY  - New delhi
PB  - Wiley 
KW  - Mobile communication systems
KW  - Digital communications
ER  -