@book {4797,
	title = {Sakramententheologie bei den Nestorianern},
	series = {Orientalia christiana analecta},
	number = {133},
	year = {1947},
	publisher = {Pontifical Institute of Oriental Studies},
	organization = {Pontifical Institute of Oriental Studies},
	address = {Rome},
	keywords = {Liturgy},
	author = {Wilhelm de Vries}
}
