@book{55953,
	author = {Humboldt, Alexander von, and Otté, E. C.},
	title = {Cosmos: A Sketch of the Physical Description of the Universe, Vol. 1},
	publisher = {Project Gutenberg,},
	year = {2005},
	address = {Salt Lake City, UT :},
	note = {Wikipedia page about this book: https://en.wikipedia.org/wiki/Cosmos_(Humboldt_book)},
	url = {https://www.gutenberg.org/ebooks/14565}
}