TY  - BOOK
AU  - Cole,Marion, x
AU  - x
TI  - Introduction to telecommunications: Voice, data, and the internet
SN  - 8178089734
U1  - 384/C689i 
PY  - 2002///
CY  - Delhi
PB  - Pearson education
KW  - Telecommunication
KW  - Communication
N1  - Includes
ER  -