@book{7193,
	author = {Spieser, J.-M. and ebrary, Inc.},
	title = {The material and the ideal},
	publisher = {Brill,},
	year = {2007.},
	series = {The medieval Mediterranean,},
	address = {Leiden ;},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10271070}
}