TY  - BOOK
AU  - Hallberg,Bruce A.
TI  - Networking: a beginner's guide 
SN  - 0072262125
PY  - 2005///
CY  - Emeryville, California
PB  - McGraw-Hill/Osborne
KW  - Internetworking (Telecommunication)
KW  - Computer networks
ER  -