@book {9783402177969, 
	title = "Kardinal Johannes Gropper EBook PDF",
	author = "Lipgens, Walter",
	isbn = "9783402177969",
	year = "1950",
	url = "http://www.content-select.com/index.php?id=bib_view&ean=9783402177969",
	url = "https://content-select.com/de/portal/media/view/604216e3-1aac-4247-9de5-5a28b0dd2d03",
	publisher = "Aschendorff Verlag",
}