@book{62307,
	author = {Various},
	title = {Scientific  American, Volume XLIII., No. 25, December 18, 1880 :},
	publisher = {Project Gutenberg,},
	year = {2007},
	address = {Salt Lake City, UT :},
	note = {Release date is 2007-04-15},
	url = {https://www.gutenberg.org/ebooks/21081}
}