@book{265670,
	author = {Superintendencia do Vale do Sao Francisco, Brasilia, DF (Brasil)},
	title = {Relatorio anual 1973 [Superintendencia do Vale do Sao Francisco, Brasil]},
	year = {1974. },
	series = {Relatorio - Superintendencia do Vale do Sao Francisco (Brazil)},
	address = {Brasilia, DF (Brasil): }
}