TY  - BOOK
AU  - Hillebrand, Friedhelm.
TI  - GSM and UMTS : the creation of global mobile communications
SN  - 9788126523054
U1  - 621.38415  HIL;7 
PY  - 2002///
CY  - New Delhi
PB  - John wiley and sons
KW  - GSM,UMTS,creation,global,communications
ER  -