@book{66974,
	author = {Keyser, Leander S.},
	title = {Birds of the Rockies},
	publisher = {Project Gutenberg,},
	year = {2008},
	address = {Salt Lake City, UT :},
	note = {Release date is 2008-07-05},
	url = {https://www.gutenberg.org/ebooks/25973}
}