@book{90430,
	author = {Biernatzki, Johann Christoph, and Düntzer, Heinrich,},
	title = {Die Hallig: Die Schiffbrüchigen auf dem Eiland in der Nordsee},
	publisher = {Project Gutenberg,},
	year = {2015},
	address = {Salt Lake City, UT :},
	note = {Release date is 2015-08-04},
	url = {https://www.gutenberg.org/ebooks/49592}
}