@book{49199,
	author = {HEGENBERG, LEONIDAS HELMUTH BAEBLER, 1925},
	title = {LOGICA: SIMBOLIZACAO E DEDUCAO},
	publisher = {E.P.U.},
	year = {1975},
	address = {SAO PAULO},
	edition = {1 ed.},
	note = {BIBLIOGRAFIA. INDICE ANALITICO},
	url = {https://www.santoandre.sp.gov.br/pesquisa/con_detalhe.asp?ID=61611&vHistoryNovo=sim}
}