@book {M{\"u}hlberg 1956,
	title = {Kart{\"a}userkirche Sankt Barbara K{\"o}ln},
	series = {Rheinische Kunstst{\"a}tten},
	number = {52},
	year = {1956},
	pages = {15},
	address = {Neuss},
	keywords = {archaeologia, K{\"o}ln O.Cart. (archaeologia)},
	author = {M{\"u}hlberg, Fried}
}
