@book{61012,
	author = {Bédier, Joseph, and Onerva, L.,},
	title = {Tristan ja Isolde},
	publisher = {Project Gutenberg,},
	year = {2006},
	address = {Salt Lake City, UT :},
	note = {Release date is 2006-10-31},
	url = {https://www.gutenberg.org/ebooks/19674}
}