TY  - BOOK
AU  - Nagrath, I. J.
AU  - Sharan, S  N
AU  - Ranjan, Rakesh
TI  - Signals and systems
SN  - 9780070141094
U1  - 621.3822 
PY  - 2009///
CY  - New Delhi
PB  - Tata McGraw- Hill
KW  - Signal process
ER  -