@book{137,
	author = {O'Leary, Timothy J. and O'Leary, Linda I.},
	title = {Computing essentials, 2002-2003 /},
	publisher = {McGraw-Hill Irwin,},
	year = {c2000.},
	address = {Boston :},
	edition = {Introductory edition.},
	note = {Includes index.}
}