@book{86595,
	author = {Cooley, Alexander, and Spruyt, Hendrik, and ebrary, Inc.},
	title = {Contracting states},
	publisher = {Princeton University Press,},
	year = {c2009.},
	address = {Princeton :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10412754}
}