@conference{Wolf99,
	author = {Wolf, G., Pfitzmann, A.},
	title = {Empowering Users to Set Their Security Goals.},
	year = {1999},
	publisher = {In: Günter Müller, Kai Rannenberg (Eds.): Multilateral Security for Global Communication - Technology, Application, Business. Addison-Wesley-Longman, 1999}
}