@inproceedings{LuSt09a,
	address = {Malaga, Spain},
	author = {Lutz, David and Stiller, Burkhard},
	booktitle = {TNC 2009 - Virtuality into Reality},
	howpublished = {Terena Networking Conference 2009},
	month = {jun},
	publisher = {TERENA Publications, ISBN 978-90-77559-19-2},
	title = {Applied Federation Technology: The Charging of Roaming Students},
	year = {2009}
}