@book{88991,
	author = {Beckmann, Johann, and Francis, William,},
	title = {A History of Inventions, Discoveries, and Origins, Volume 2 (of 2)},
	publisher = {Project Gutenberg,},
	year = {2015},
	address = {Salt Lake City, UT :},
	note = {Translation of: Beyträge zur Geschichte der Erfindungen},
	url = {https://www.gutenberg.org/ebooks/48152}
}