@book{56440,
	author = {Various},
	title = {Scientific American Supplement, No. 832,  December 12, 1891},
	publisher = {Project Gutenberg,},
	year = {2005},
	address = {Salt Lake City, UT :},
	note = {Release date is 2005-02-14},
	url = {https://www.gutenberg.org/ebooks/15052}
}