@book{98198,
	author = {Nansen, Fridtjof,},
	title = {Freiluftleben},
	publisher = {Project Gutenberg,},
	year = {2018},
	address = {Salt Lake City, UT :},
	note = {Release date is 2018-06-21},
	url = {https://www.gutenberg.org/ebooks/57367}
}