@book{263569,
	author = {Hall, E. Raymond},
	title = {A New Pocket Gopher (Thomomys) and A New Spiny Pocket Mouse (Liomys) from Michoacán, Mexico},
	publisher = {Project Gutenberg,},
	year = {2010},
	url = {http://www.gutenberg.org/ebooks/34314}
}