@book{135642,
	author = {Schweller, Randall L. and ebrary, Inc.},
	title = {Unanswered threats},
	publisher = {Princeton University Press,},
	year = {2008, c2006.},
	series = {Princeton studies in international history and politics},
	address = {Princeton, N.J. :},
	note = {Second printing, and first paperback printing, 2008.},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10443119}
}