@conference{GrMÃ08,
	author = {Eberhard Grummt and Markus Müller},
	title = {Fine-grained Access Control for EPC Information Services},
	year = {2008},
	editor = {Christian Floerkemeier and Marc Langheinrich},
	series = {LNCS},
	pages = {35--49},
	address = {Springer-Verlag Berlin Heidelberg}
}