@book{80189,
	author = {Hansen, Steve. and ebrary, Inc.},
	title = {Mastering Excel 2003},
	publisher = {SYBEX,},
	year = {2004.},
	address = {San Francisco :},
	note = {Includes index.},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10131923}
}