@book{199443,
	author = {Schramm, Helmar. and ebrary, Inc.},
	title = {Theatrum scientiarum.},
	publisher = {Walter de Gruyter,},
	year = {2006.},
	address = {Berlin :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10154774}
}