@book{5918,
	author = {Heinen, Franz Albert and Threuter, Christina},
	title = {Vogelsang : },
	publisher = {Gaasterland-Verl.},
	year = {2010},
	address = {Düsseldorf},
	edition = {5., aktualisierte Aufl.},
	url = {https://d-nb.info/1005507090/04}
}