@book{91795,
	author = {Wright, G. Frederick and Haynes, Henry W.},
	title = {Man and the Glacial Period},
	publisher = {Project Gutenberg,},
	year = {2016},
	address = {Salt Lake City, UT :},
	note = {Release date is 2016-01-18},
	url = {https://www.gutenberg.org/ebooks/50957}
}