TY  - BOOK
AU  - Hoffman, John
AU  - Hoffman, John
TI  - GPRS demystified
SN  - 9780071385534
AV  - 621.3981 HOF 2003 
U1  - 621.3981 HOF 2003 
PY  - 2003///
CY  - New York
PB  - McGraw-Hill
KW  - Communication Engineering
ER  -