@book{87767,
	author = {Frank, Leonhard,},
	title = {Die Ursache: Erzählung},
	publisher = {Project Gutenberg,},
	year = {2014},
	address = {Salt Lake City, UT :},
	note = {Release date is 2014-09-22},
	url = {https://www.gutenberg.org/ebooks/46928}
}