@book{73469,
	author = {Russell, Robert J. and Baker, Rollin H.},
	title = {Geographic Variation in the Pocket Gopher, Cratogeomys castanops, in Coahuila, México},
	publisher = {Project Gutenberg,},
	year = {2010},
	address = {Salt Lake City, UT :},
	note = {Release date is 2010-05-31},
	url = {https://www.gutenberg.org/ebooks/32623}
}