TY  - BOOK
AU  - Nagrath, I. J.,
AU  - Ranjan, Rakesh,
AU  - Sharan, S. N.,
TI  - Signal and systems
SN  - 9780070141094
U1  - 621.3822 NAG 
PY  - 2009///
CY  - New Delhi
PB  - Tata McGraw Hill Education
N1  - Includes bibliographical references and index.
ER  -