@inbook {Bl{\"u}m 1983b,
	title = {Einf{\"u}hrung in die Spiritualit{\"a}t der Kart{\"a}user},
	booktitle = {Marijan Zadnikar \& Adam Wienand (eds.), Die Kart{\"a}user. Der Orden der schweigenden M{\"o}nche},
	year = {1983},
	pages = {15-19},
	address = {K{\"o}ln},
	keywords = {vita spiritualis},
	author = {Bl{\"u}m, Hubertus Maria}
}
