@book{60439,
	author = {Willard, Emma,},
	title = {Theory of circulation by respiration},
	publisher = {Project Gutenberg,},
	year = {2006},
	address = {Salt Lake City, UT :},
	note = {Release date is 2006-08-15},
	url = {https://www.gutenberg.org/ebooks/19053}
}
