@book{56435,
	author = {Gonçalves Viana, A. R. and Abreu, G. de Vasconcellos},
	title = {Bases da ortografia portuguesa},
	publisher = {Project Gutenberg,},
	year = {2005},
	address = {Salt Lake City, UT :},
	note = {Release date is 2005-02-14},
	url = {https://www.gutenberg.org/ebooks/15047}
}