@book{94126,
	author = {Saccheri, Girolamo and Halsted, George Bruce},
	title = {Girolamo Saccheri's Euclides vindicatus},
	publisher = {Chelsea Pub. Co.},
	year = {1986.},
	address = {New York, N.Y.},
	edition = {2nd ed.},
	note = {English and Latin.}
}