TY  - BOOK
AU  - Shay,William A.
TI  - Understanding data communications and networks
SN  - 053495054X :
U1  - 004.6 
PY  - 1999///
CY  - Pacific Grove
PB  - PWS Publishing
KW  - Data communication
KW  - Networking; Data transmission systems; Data communication
N2  - Computer science
ER  -