@book{81382,
	author = {Kahn, Fritz, and Helbig, Georg},
	title = {Die Zelle},
	publisher = {Project Gutenberg,},
	year = {2012},
	address = {Salt Lake City, UT :},
	note = {Release date is 2012-08-20},
	url = {https://www.gutenberg.org/ebooks/40543}
}