@book{50183,
	author = {Biller, Peter.},
	title = {Inquisitors and heretics in thirteenth-century Languedoc :},
	publisher = {Brill,},
	year = {2011.},
	series = {Studies in the history of Christian traditions,},
	address = {Leiden ;},
	url = {http://search.ebscohost.com/login.aspx?direct=true&scope=site&db=nlebk&db=nlabk&AN=351141}
}