@book {1999,
	title = {Aldus is opgeschilderd. Middeleeuwse muurschilderingen in Friese kerken},
	year = {1999},
	pages = {176},
	publisher = {Regio Project},
	organization = {Regio Project},
	address = {Groningen-Leeuwarden},
	isbn = {978-90-5028-112-6},
	issn = {90-5028-112-5},
	author = {Zanten, Mieke van}
}
