@book {2025,
	title = {Willem, heer van Abcoude, Wijk en Duurstede. Ferm en ontfermend },
	year = {2025},
	pages = {352},
	publisher = {Verloren},
	organization = {Verloren},
	address = {Hilversum},
	isbn = {9789464551839},
	author = {Gaasbeek, Fred}
}
