TY  - BOOK
AU  - K Sam Shanmugam
TI  - Digital and Analog Communications Systems
SN  - scst09330
U1  - . 
PY  - 2007///
CY  - New Dehli
PB  - wiely India
KW  -  Communications
KW  -  Digital
KW  -  Systems
KW  - Analog
ER  -