@book{106486,
	author = {Brehm, Alfred Edmund,},
	title = {Het Leven der Dieren: Deel 3.9, De Oerdieren},
	publisher = {Project Gutenberg,},
	year = {2021},
	address = {Salt Lake City, UT :},
	note = {Wikipedia page about this book: https://en.wikipedia.org/wiki/Brehms_Tierleben},
	url = {https://www.gutenberg.org/ebooks/65664}
}