@book{111917,
	author = {Huygens, Christiaan, and Huygens, Constantijn,},
	title = {The celestial worlds discover'd},
	publisher = {Project Gutenberg,},
	year = {2023},
	address = {Salt Lake City, UT :},
	note = {Translation of Kosmotheoros sive De terris coelestibus earumque ornatu conjecturae.},
	url = {https://archive.org/details/b30537009_0001/page/n3/mode/2up}
}