@book{73225,
	author = {Lima, S. de Magalhães},
	title = {O Primeiro de Maio},
	publisher = {Project Gutenberg,},
	year = {2010},
	address = {Salt Lake City, UT :},
	note = {Release date is 2010-05-15},
	url = {https://www.gutenberg.org/ebooks/32379}
}