@book{10743,
	author = {Held, Bernd.},
	title = {Microsoft Excel Functions and Formulas, Covers Excel 2010},
	publisher = {Mercury Learning & Information,},
	year = {2011.},
	address = {[S.l.] :},
	edition = {2nd edition},
	url = {http://10.10.170.122:8080/browse/book/26256}
}