@book{142666,
	author = {GONCALVES, SYLVIO and VILACHA, FRANCISCO},
	title = {LIBERDADE VIRTUAL},
	publisher = {SARAIVA},
	year = {2005},
	address = {SAO PAULO},
	edition = {4 ed.},
	url = {https://www.santoandre.sp.gov.br/pesquisa/con_detalhe.asp?ID=164332&vHistoryNovo=sim}
}