@inbook {Op de Coul 2026,
	title = {Stability and change in Carthusian liturgy abd music},
	booktitle = {Stephen J. Molvarec \& Demetrio S. Yocum (eds.), Carthusian monasticism. History, life, world, texts},
	series = {Monastic life and venerated spaces},
	year = {20256},
	pages = {177-203},
	address = {Berlin \& Boston},
	keywords = {musica liturgica, Ordo Cartusiensis (musica liturgica)},
	author = {Op de Coul, Thomas}
}
