@book{71976,
	author = {Haapio, Helena. and Siedel, George J. and ebrary, Inc.},
	title = {A short guide to contract risk},
	publisher = {Gower,},
	year = {c2013.},
	series = {Short guides to risk series},
	address = {Burlington, Vt. :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10665949}
}