@book{3020,
	author = {Wippermann, Wolfgang},
	title = {Der "deutsche Drang nach Osten" : },
	publisher = {Wissenschaftliche Buchgesellschaft},
	year = {1981},
	series = {Impulse der Forschung},
	address = {Darmstadt},
	url = {https://d-nb.info/810579464/04}
}