@book{26805,
	author = {Williams, Horace Elbert.},
	title = {Estudos geologicos na Chapada Diamantina,},
	publisher = {P. Mendes,},
	year = {1930.},
	series = {[Brazil] Serviço geologico e mineralogico. Boletim},
	address = {Rio de Janeiro,},
	note = {At head of title: Ministgerio da agricultura, industria e commercio.}
}