@book{100137,
	author = {Graffigny, H. de and Elliott, Athol Garnet},
	title = {Gas and Petroleum Engines},
	publisher = {Project Gutenberg,},
	year = {2019},
	address = {Salt Lake City, UT :},
	note = {Release date is 2019-04-19},
	url = {https://www.gutenberg.org/ebooks/59311}
}