@book{95950,
	author = {Gratian, and Thompson, Augustine.},
	title = {The treatise on laws :},
	publisher = {Catholic University of America Press,},
	year = {1993.},
	series = {Studies in Medieval and Early Modern Canon Law ;},
	address = {Washington, District of Columbia :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10842019}
}