@book{104416,
	author = {Duncan, P. Martin and Dallas, W. S.},
	title = {Cassell's Natural History, Vol. 3 (of 6)},
	publisher = {Project Gutenberg,},
	year = {2020},
	address = {Salt Lake City, UT :},
	note = {Release date is 2020-11-01},
	url = {https://www.gutenberg.org/ebooks/63592}
}