@book{87976,
	author = {Broca, Paul, and Blake, C. Carter},
	title = {On the phenomena of hybridity in the genus Homo},
	publisher = {Project Gutenberg,},
	year = {2014},
	address = {Salt Lake City, UT :},
	note = {Release date is 2014-10-17},
	url = {https://www.gutenberg.org/ebooks/47137}
}