@book{90010,
	author = {Scott, Virgil E. and Evans, Keith E.},
	title = {Cavity-Nesting Birds of North American Forests :},
	publisher = {Project Gutenberg,},
	year = {2015},
	address = {Salt Lake City, UT :},
	note = {Release date is 2015-06-09},
	url = {https://www.gutenberg.org/ebooks/49172}
}