TY  - BOOK
AU  - Cole, Marion
TI  - Introduction to telecommunications: voice, data and the internet
SN  - 81-7808-313-2.
U1  - 384.3 
PY  - 2001///
CY  - Delhi
PB  - Addison Wesley Longman
KW  - Telecommunication
KW  - Internet
ER  -