@book {9783866495371, 
	title = "Studying ??Effectiveness?? in International Relations",
	editor = "Hegemann, Hendrik AND Heller, Regina AND Kahl, Martin",
	isbn = "9783866495371",
	year = "2013",
	edition = "1",
	keywords = "Effectiveness, Methodology, IR theory, political tools",
	url = "http://www.content-select.com/index.php?id=bib_view&ean=9783866495371",
	url = "https://content-select.com/de/portal/media/view/51d7d5f3-edc0-4ab2-8393-67b22efc1343",
	publisher = "Verlag Barbara Budrich",
	language = "eng",
}