@inbook {Picard 1983,
	title = {La liturgie cartusienne, source principale de spiritualit{\'e}. El{\'e}ments de recherches sur les sources de son histoire},
	booktitle = {Jan De Grauwe (ed.), Historia et spiritualitas Cartusiensis. Colloquii Quarti Internationalis Acta. Gandavi-Antverpiae-Brugis, 16-19 Sept. 1982},
	year = {1983},
	pages = {289-301},
	address = {Destelbergen},
	keywords = {liturgia},
	author = {Picard, Jean}
}
