@book{95134,
	author = {Marks, Bernhard,},
	title = {Marks' first lessons in geometry :},
	publisher = {Project Gutenberg,},
	year = {2017},
	address = {Salt Lake City, UT :},
	note = {Release date is 2017-03-08},
	url = {https://www.gutenberg.org/ebooks/54300}
}