@book{91171,
	author = {Hertzberg, Rafaël, and Erkko, Elias,},
	title = {Nordenskiöldin matkat ja retket napamerillä :},
	publisher = {Project Gutenberg,},
	year = {2015},
	address = {Salt Lake City, UT :},
	note = {Release date is 2015-10-28},
	url = {https://www.gutenberg.org/ebooks/50333}
}