@book{11663,
	author = {Newton, Isaac,},
	title = {Sir Isaac Newton's Mathematical principles of natural philosophy and his System of the world /},
	publisher = {University of California Press,},
	year = {1966.},
	address = {Berkeley :},
	note = {Includes reproduction of the t. p. of the 1st ed. of the Principia, London, 1687.}
}