@inbook {2019,
	title = {Vikings and the Church in the Frisian Lands},
	booktitle = {We Vikings. Frisians and Vikings in the Coastal Area of the Low Countries},
	year = {2019},
	pages = {22-41},
	publisher = {Waanders},
	organization = {Waanders},
	address = {Zwolle},
	isbn = {9789462622661},
	author = {Langen, Gilles J. de and Mol, J.A.(Hans)},
	editor = {Stoter, Marlies and Spiekhout, Diana}
}
