TY  - BOOK
AU  - Narang Nishit
AU  -  Kasera Sumit
TI  - 2G mobile networks : GSM and HSCSD
U1  - D65,481, P7 
PY  - 2007///
CY  - New Delhi
PB  - Tata McGraw Hill    
KW  - Mobile Communication
ER  -