@conference{SBS+09,
	author = {Josef Spillner and Bastian Buder and Torsten Schiefer and Alexander Schill},
	title = {Contract Services for Post-Discovery Guarantee Management},
	year = {2009},
	series = {2},
	pages = {369-375},
	address = {Sofia, Bulgaria},
	month = {7},
	organization = {INSTICC}
}