TY  - BOOK
AU  - Nagrath, I. J.
AU  - Sharan, S. N. 
AU  - Ranjan, Rakesh.
TI  - Signals and Systems
SN  - 9780070141094
U1  - 621.38  
PY  - 2009///
CY  - New Delhi: 
PB  - Mc Graw Hill, 
ER  -