FitzGerald, Jerry, 1936- Business data communications and networking / Jerry FitzGerald, Alan Dennis. - 9th ed. - Hoboken, NJ : John Wiley, c2007. - xii, 580 p. : ill. (some col.), maps (some col ; 25 cm. ISBN: 9780471771166 (hbk. : acid-free paper) 0471771163 (hbk. : acid-free paper) LCCN: 2007296473 Subjects--Topical Terms: Data transmission systems.Computer networks.Office practice--Automation. Dewey Class. No.: 004.6