@book{178723,
	author = {Stengel, Dirk. and Bhandari, Mohit. and ebrary, Inc.},
	title = {Handbook statistics and data management},
	publisher = {Thieme,},
	year = {c2009.},
	series = {AO trauma},
	address = {New York :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10658206}
}