@book {1997,
	title = {Clarissen in de dertiende eeuw. Drie studies},
	year = {1997},
	pages = {424},
	address = {Utrecht},
	abstract = {Proefschrift Katholieke Theologische Universiteit te Utrecht, 15 mei 1997},
	issn = {90-71115-05-4},
	author = {Freeman, Gerard Pieter}
}
