@book{30857,
	author = {KEIM, ERNESTO JACOB and SANCHEZ, RAFAEL},
	title = {CONTAGEM REGRESSIVA},
	publisher = {FTD},
	year = {1990},
	address = {SAO PAULO},
	edition = {1 ed.},
	url = {https://www.santoandre.sp.gov.br/pesquisa/con_detalhe.asp?ID=39698&vHistoryNovo=sim}
}