@article {2020,
	title = {Church, Landscape, and Power in {\textquoteleft}Holland{\textquoteright} West Frisia up to the Middle of the Eleventh Century: The Bishop, the Count, and the Development of the Parish System in Frisia between Vlie and Zonnemare},
	journal = {The Medieval Low Countries},
	volume = {7},
	year = {2020},
	pages = {9-48},
	author = {Langen, Gilles J. de and Mol, J.A.(Hans)}
}
