TY  - BOOK
AU  - Shanmugam, K. Sam
TI  - Digital and analog communication systems
SN  - 8126509147
U1  - 004.619 
PY  - 1985///
CY  - New Delhi
PB  - John Wiley and Sons
KW  - Computer communications
KW  - Data transmission systems
KW  - Digital communications
ER  -