TY  - BOOK
AU  - Schweber, William L.
TI  - Data Communications
SN  - 9780070677449
U1  - 004.6 SCH 
PY  - 2009///
CY  - New Delhi
PB  - TMH
KW  - Data Transmission System
KW  - , Data Communications
KW  - , Communications Channel
KW  - , Modulation and Demodulation
KW  - , Analog Communications
KW  - , Digital Communications
KW  - , Communications Media and Problems
KW  - , Telephone Systems and Modems
KW  -  and Networks
ER  -