TY  - BOOK
AU  - Lee, Edward A
AU  - Messerschmitt, David G
TI  - Digital communication 
SN  - 8170235243
U1  - 621.382 
PY  - 1994///
CY  - New Delhi
PB  - Allied Pub.
KW  - Electronics and communication engineering
KW  - Digital communication
ER  -