@book{199428,
	author = {K�olner Medi�avistentagung and Speer, Andreas. and ebrary, Inc.},
	title = {Wissen �uber grenzen :},
	publisher = {De Gruyter,},
	year = {c2006.},
	series = {Miscellanea Mediaevalia ;},
	address = {Berlin ;},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10154750}
}