TY  - BOOK
AU  - Sveum,Myron E.
TI  - Data communications: an overview 
SN  - 0130798622
AV  - TK5105  .S93 2000
PY  - 2000///
CY  - Upper Saddle River, New Jersey
PB  - Prentice-Hall
KW  - Data transmission systems
ER  -