TY  - BOOK
AU  - RAO, P. RAMAKRISHNA
TI  - SIGNALS AND SYSTEMS
SN  - 0070669279
U1  - 621.382 2/RAO 
PY  - 2010///
CY  - NEW DELHI.
PB  - TATA MCGRAW HILL CO LTD., NEW DELHI.
ER  -