@book{94857,
	author = {Ball, W. W. Rouse},
	title = {Cambridge Papers},
	publisher = {Project Gutenberg,},
	year = {2017},
	address = {Salt Lake City, UT :},
	note = {Release date is 2017-01-19},
	url = {https://www.gutenberg.org/ebooks/54023}
}