TY  - BOOK
AU  - Campbell, Joe
TI  - Rs-232 solution
U1  - 621.38132 
PY  - 1990///
CY  - New Delhi
PB  - BPB
KW  - Communication engineering
KW  - Curcuits
KW  - Data transfer models
N1  - Includesbibliographical refrences and index
ER  -