@book{95444,
	author = {Spencer, Herbert,},
	title = {The Principles of Biology, Volume 1 (of 2)},
	publisher = {Project Gutenberg,},
	year = {2017},
	address = {Salt Lake City, UT :},
	note = {Release date is 2017-04-26},
	url = {https://www.gutenberg.org/ebooks/54612}
}