@book{49502,
	author = {Spyri, Johanna,},
	title = {Heidi kann brauchen, was es gelernt hat},
	publisher = {Project Gutenberg,},
	year = {2005},
	address = {Salt Lake City, UT :},
	note = {Wikipedia page about this book: https://en.wikipedia.org/wiki/Heidi https://de.wikipedia.org/wiki/Heidi_(Roman)},
	url = {https://www.gutenberg.org/ebooks/7512}
}