TY  - BOOK
AU  - Tugal, Dogan A.
AU  - Tugal, Osman. 
TI  - Data transmission: analysis design applications / 
SN  - 9710821547
U1  - FOR 621.38 T81d 1982 
PY  - 1982///
CY  - New York
PB  - McGrawHill Book Company
KW  - Data transmission systems.
N1  - Includes bibliographical references and index
ER  -