@book {1997,
	title = {Das Stift St. Martini zu Emmerich von den Anf{\"a}ngen bis zur Mitte des 15. Jahrhunderts},
	series = {Bonner Historische Studien},
	volume = {57},
	year = {1997},
	pages = {450},
	publisher = {Respublica},
	organization = {Respublica},
	address = {Siegburg},
	isbn = {978-3-87710-204-6},
	issn = {3-87710-204-2},
	author = {Spengler-Reffgen, Ulrike}
}
