@phdthesis{Lutz10,
	address = {Zürich, Switzerland},
	author = {Lutz, David J.},
	organization = {Communication Systems Group, Department of Informatics},
	institution = {Universität Zürich},
	month = {oct},
	title = {Payment Processes for Identity Federations: The SAML-based Payment Approach},
	year = {2010}
}