@book{67757,
	author = {Macedo, José Agostinho de,},
	title = {Newton: Poema},
	publisher = {Project Gutenberg,},
	year = {2008},
	address = {Salt Lake City, UT :},
	note = {Release date is 2008-10-08},
	url = {https://www.gutenberg.org/ebooks/26848}
}