TY  - BOOK
AU  - Shay,William A.
TI  - Understanding data communications and networks
SN  - 0534383173
U1  - 004.6 22
PY  - 2004///
CY  - Australia, Belmont, Calif.
PB  - Thomson Brooks/Cole
KW  - Data transmission systems
KW  - Computer networks
N1  - Includes bibliographical references and index
UR  - http://www.loc.gov/catdir/enhancements/fy1302/2003109625-b.html
UR  - http://www.loc.gov/catdir/enhancements/fy1302/2003109625-d.html
UR  - http://www.loc.gov/catdir/enhancements/fy1302/2003109625-t.html
ER  -