@mastersthesis {2003,
	title = {St. Aposteln in K{\"o}ln : Untersuchungen zur Geschichte eines mittelalterlichen Kollegiatstifts bis ins 15. Jahrhundert},
	volume = {Doctor},
	year = {2003},
	school = {Rheinische Friedrich-Wilhelms-Universit{\"a}t Bonn},
	address = {Bonn},
	author = {Berners, Annerose}
}
