@book{284793,
	author = {Frye, Curtis,},
	title = {Microsoft Office Excel 2003 step by step /},
	publisher = {Microsoft Press,},
	year = {2003.},
	series = {Step by step},
	address = {Redmond, Wash. :},
	note = {Includes glossary and index.},
	url = {http://www.loc.gov/catdir/enhancements/fy1004/2003052689-b.html}
}