@book{69189,
	author = {Humboldt, Alexander von, and Hauff, Hermann,},
	title = {Reise in die Aequinoctial-Gegenden des neuen Continents. Band 3.},
	publisher = {Project Gutenberg,},
	year = {2009},
	address = {Salt Lake City, UT :},
	note = {Release date is 2009-03-08},
	url = {https://www.gutenberg.org/ebooks/28280}
}