@book{41220,
	author = {BARBOSA, RUY MADSEN},
	title = {GEOMETRIA ANALITICA MODERNA (PLANA)},
	publisher = {NOBEL},
	year = {1971},
	address = {SAO PAULO},
	edition = {4 ed.},
	note = {BIBLIOGRAFIA},
	url = {https://www.santoandre.sp.gov.br/pesquisa/con_detalhe.asp?ID=52602&vHistoryNovo=sim}
}