TY  - BOOK
AU  - Babu,P Ramesh
AU  - Anandanatarajan,R  .
TI  - Signals and systems / 
SN  - 9788183712880
U1  - 621.3822 
PY  - 2007///
CY  - Chennai : 
PB  - Scitech Publications (India) , 
KW  - COMMUNICATION ENGINEERING
N1  - Includes bibliographical reference and index
ER  -