@inbook {Smeyers 1969b,
	title = {Graduale (Geraardsbergen en Leuven, 1506)},
	booktitle = {Erasmus en Leuven. Tentoonstelling Leuven, Stedelijk Museum, 17 nov.-15 dec. 1969},
	year = {1969},
	pages = {112-113},
	address = {Leuven},
	keywords = {gradualia, Leuven O.Cart.: Graduale, Sint-Martens-Lierde O.Cart.: Graduale},
	attachments = {http://cartusiana.org./sites/default/files/Smeyers_Kartuizer\%20Graduale\%20Leuven\%20Geraardsbergen.PDF},
	author = {Maurits Smeyers}
}
