TY  - BOOK
AU  - Barry, John, R. Lee, Edward, A. and Messerschmitt, David, G 
TI  - Digital communication 
SN  - 81-8128-343-0 
U1  - 621.382 BAR  
PY  - 2006///
CY  - Springer press 
PB  - New Delhi 
KW  - COMMUNICATION SYSTEM
ER  -