Hallberg, Bruce A., 1964- Networking : a beginner's guide / Bruce Hallberg. - 3rd ed. - xix, 491 p. : ill. ; 23 cm. Includes index. ISBN: 0072225637 LCCN: 2003269655 Subjects--Topical Terms: Computer networks.Internetworking (Telecommunication) LC Class. No.: TK5105.5 / .H318 2003 Dewey Class. No.: 004.6 / HAL