TY  - BOOK
AU  - Miller, Gary, M Beasley, Jeffrey, S 
TI  - Modern electronic communication 
SN  - 81-203-2117-0 
U1  - 621.382 MIL  
PY  - 2002///
CY  - Prentice hall of india 
PB  - New Delhi 
KW  - COMMUNICATION SYSTEM
ER  -