TY  - BOOK
AU  - TUGAL,DOGAN A.
AU  - TUGAL,OSMAN
TI  - DATA TRANSMITION : : ANALYSIS,DESIGN,APPLICATIONS / 
U1  - 621.381953/TUG 
PY  - 0000///[19-]
CY  - LONDON
PB  - MCGRAW-HILL
KW  - COMPUTERS
ER  -