@book{80631,
	author = {Heine, Heinrich,},
	title = {Das Lied vom blöden Ritter},
	publisher = {Project Gutenberg,},
	year = {2012},
	address = {Salt Lake City, UT :},
	note = {Release date is 2012-05-25},
	url = {https://www.gutenberg.org/ebooks/39792}
}