TY  - GEN
AU  - Ravichandran, D 
TI  - Introduction to computers and communication
SN  - 9790070435659 (pb)
U1  - 621.382 RAV/Int  
PY  - 2001///
CY  - New delhi
PB  - Tata mc graw hill publishing
KW  - Communication Engineering
ER  -