TY  - BOOK
AU  - Nagrath, I.J Sharan, S.N Kumar, Sukhbinder
TI  - Signal and systems
SN  - 0-07-463771-1
U1  - 621.3822 NAG 
PY  - 2001///
CY  - NEW DELHI
PB  - MCGRAW HILL
KW  - SIGNAL AND SYSTEMS-INTRODUCTION LTI SYSTEMS ANALOG AND DIGITAL FILTER DESIGN DIGITAL FILTERS
ER  -