TY  - BOOK
AU  - Tomasi, Wayne 
TI  - Electronic communication systems: fundamentals through advan 
SN  - 81-7808-612-3 
U1  - 621.382 TOM  
PY  - 2002///
CY  - Pearson education asia 
PB  - Delhi 
KW  - COMMUNICATION SYSTEM
ER  -