TY  - BOOK
AU  - Tittel,Ed
AU  - Johnson,David
TI  - Guide to networking essentials
SN  - 0619034505
U1  - TK/ 5105.5 
PY  - 2001///
CY  - Boston
PB  - Course technology Thomson learning
KW  - Computer Network
N1  - Includes index
ER  -