TY  - BOOK
AU  - Axelson,Jan  .
TI  - Serial port complete: programming and circuits for RS-232 and RS-485 Links and Networks / 
U1  - 004.64 
PY  - 1998///
CY  - Mumbai : 
PB  - PRI , 
KW  -  RS-232 and RS-485
KW  - Networks, Hardwares
ER  -