@article {Verwilst 1952,
	title = {De kartuizer liturgie},
	journal = {De katholieke encyclopaedie, 2e druk},
	volume = {15},
	year = {1952},
	pages = {147},
	keywords = {liturgia},
	attachments = {http://cartusiana.org./sites/default/files/Verwilst_De\%20kartuizer\%20liturgie.pdf},
	author = {Verwilst}
}
