@book{649, author = {FitzGerald, Jerry, and Dennis, Alan.}, title = {Business data communications and networking /}, publisher = {John Wiley & Sons,}, year = {c2000.}, address = {New York :}, edition = {6th ed.}, note = {Includes index.}, url = {http://www.loc.gov/catdir/toc/onix05/98018875.html} }