TY  - BOOK
AU  - Heine, Gunnar
AU  - Sagkob, Holger
TI  - GPRS gateway to third generation mobile networks
SN  - 1580-5315-98
U1  - 621.395.721.5 
PY  - 2003///
CY  - Norwood
PB  - Artech House
KW  - Mobile computing
KW  - Mobile communication system
ER  -