TY  - BOOK
AU  - SILBERCHATZ, ABRAHAM
AU  - KORTH, HENRY F.
TI  - PRINCIPALS OF COMMUNICATION SYSTEMS
SN  - 0074624563
U1  - 621.381/TAU/SCH 
PY  - 2005///
CY  - NEW DELHI.
PB  - TATA MCGRAW HILL CO LTD.
ER  -