@book{50932,
	author = {Heyse, Paul,},
	title = {Die Witwe von Pisa},
	publisher = {Project Gutenberg,},
	year = {2005},
	address = {Salt Lake City, UT :},
	note = {Wikipedia page about this book: https://de.wikipedia.org/wiki/Die_Witwe_von_Pisa},
	url = {https://www.gutenberg.org/ebooks/9086}
}