@book{117129,
	author = {Newton, Isaac, and Chittenden, N. W.},
	title = {Newton's Principia},
	publisher = {Project Gutenberg,},
	year = {2025},
	address = {Salt Lake City, UT :},
	note = {Wikipedia page about this book: https://en.wikipedia.org/wiki/Philosophi%C3%A6_Naturalis_Principia_Mathematica},
	url = {https://www.gutenberg.org/ebooks/76404}
}