TY  - BOOK
AU  - Sveum,Myron E.
TI  - Data communications: an overview 
SN  - 0130798622
U1  - 004.6 SVE 
PY  - 2000///
CY  - Upper Saddle River, N.J.
PB  - Prentice Hall
KW  - Data transmission systems
N1  - Includes index
ER  -