@book{108153,
	author = {Playfair, John,},
	title = {Illustrations of the Huttonian Theory of the Earth},
	publisher = {Project Gutenberg,},
	year = {2022},
	address = {Salt Lake City, UT :},
	note = {Release date is 2022-02-06},
	url = {https://archive.org/details/NHM104643}
}