@inbook {1997,
	title = {Graaf Willem IV, de Hollands-Friese oorlog van 1344/1345 en de Friese kloosters},
	booktitle = {Negen eeuwen Friesland-Holland. Geschiedenis van een haat-liefdeverhouding},
	year = {1997},
	pages = {94-108},
	publisher = {Walburg Pers},
	organization = {Walburg Pers},
	address = {Zutphen},
	author = {Mol, J.A.(Hans)},
	editor = {Breuker, Ph.H. and Janse, Antheun}
}
