TY  - GEN
AU  - Tugal,Dogan A.
AU  - Tugal,Osman
TI  - Data transmission
SN  - 0070654476 :
AV  - TK5105 
U1  - 621.398 19
PY  - 1989///
CY  - New York
PB  - McGraw-Hill
KW  - Data transmission systems
N1  - Includes bibliographies and index
ER  -