@unpublished {LibKorMer-CCBWLTIGR-2010,
	title = {Crossing Cultural Boundaries with Long Term Interactive Geometry Resources},
	year = {2010},
	note = {Unpublished Manuscript},
	keywords = {sonstige},
	author = {Libbrecht, Paul and Kortenkamp, Ulrich and Mercat, Christian}
}
