TY  - BOOK
AU  - HSU, HWEI P.
TI  - SIGNALS AND SYSTEMS
SN  - 0070586136
U1  - 621.382 2/HSU 
PY  - 2004///
CY  - NEW DELHI.
PB  - TATA MCGRAW HILL CO LTD., NEW DELHI.
ER  -