TY  - BOOK
AU  - Stallings,William
TI  - Data and computer communications
SN  - 0135071399 :
AV  - TK5105  .S73 2009
PY  - 2009///
CY  - Upper Saddle River, NJ.
PB  - Prentice-Hall
KW  - Data trasmission system
KW  - Computer networks
ER  -