@book{37689,
	author = {Jelen, Bill. and ebrary, Inc.},
	title = {The spreadsheet at 25},
	publisher = {Holy Macro! Books,},
	year = {c2005.},
	address = {Uniontown, OH :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10237055}
}