@book{58772,
	author = {Hilbert, David, and Townsend, E. J.},
	title = {The Foundations of Geometry},
	publisher = {Project Gutenberg,},
	year = {2005},
	address = {Salt Lake City, UT :},
	note = {Wikipedia page about this book: https://en.wikipedia.org/wiki/Hilbert%27s_axioms},
	url = {https://archive.org/details/david-hilbert.-the-foundations-of-geometry/page/n1/mode/2up}
}