@book{71466,
	author = {Fox, Richard C.},
	title = {Two New Pelycosaurs from the Lower Permian of Oklahoma},
	publisher = {Project Gutenberg,},
	year = {2009},
	address = {Salt Lake City, UT :},
	note = {Release date is 2009-12-07},
	url = {https://www.gutenberg.org/ebooks/30620}
}