@book{65394,
	author = {Beach, Derek. and Pedersen, Rasmus Brun, and ebrary, Inc.},
	title = {Process-tracing methods},
	publisher = {University of Michigan Press,},
	year = {c2013.},
	address = {Ann Arbor :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10658497}
}