TY  - BOOK
AU  - Shay, William A.
TI  - Understanding data communications and networks: William A. Shay
SN  - 9789812549662
U1  - 004.6 
PY  - 2004///
CY  - Australia
PB  - Thomson Books
KW  - Computer networks
KW  - Data transmission systems
N1  - Includes index
ER  -