@book{47638,
	author = {Heine, Heinrich,},
	title = {Romanzero},
	publisher = {Project Gutenberg,},
	year = {2004},
	address = {Salt Lake City, UT :},
	note = {Wikipedia page about this book: https://de.wikipedia.org/wiki/Romanzero},
	url = {https://www.gutenberg.org/ebooks/5607}
}