TY  - BOOK
AU  - Business Data Communications
TI  - Business Data Communications
SN  - 0-07-239702-0                                                                                       
U1  - 004 ДАА
PY  - 2003///
CY  - new york
PB  - Mc Graw Hill
KW  - Business enterprises-Computer networks
N1  - 0
ER  -