@book{2421,
	author = {Maps.com (Firm)},
	title = {Spread of the Black Death, 1347-1350},
	publisher = {Maps.com,},
	year = {c2000.},
	address = {[S.l.] :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10002674}
}