TY  - BOOK
AU  - A. Shay, William
TI  - Understanding data communications & Networks
SN  - 9780672322167
U1  - 004.6 SHA 
PY  - 2002///
CY  - Boston 
PB  - : Addison-Wesley
KW  - Data transmission systems
KW  - Computer networks
KW  - Local area netwroks
KW  - Gilbert Held
KW  - Computer science
ER  -