@book{271064,
	author = {Holmes, E. Bruce},
	title = {Variation in the Muscles and Nerves of the Leg in Two Genera of Grouse (Tympanuchus and Pedioecetes)},
	publisher = {Project Gutenberg,},
	year = {2013},
	url = {http://www.gutenberg.org/ebooks/41812}
}