TY  - BOOK
AU  -  Krishnakumar, R.
TI  - Moblie VAS
SN  - 9780070148840
U1  - 621.382 KRI-R 
PY  - 2010///
CY  - India
PB  - Tata McGraw-Hill
KW  - Communication engineering
KW  - Electrical and Electronic Engineeringﾠ
ER  -