@book{109968,
	author = {Darwin, Charles, and Bronn, H. G.},
	title = {Über die Entstehung der Arten im Thier- und Pflanzen-Reich durch natürliche Züchtung},
	publisher = {Project Gutenberg,},
	year = {2022},
	address = {Salt Lake City, UT :},
	note = {Release date is 2022-10-17},
	url = {https://archive.org/details/b21781126}
}