@book{35423,
	author = {Dirección Nacional de Geología y Minería},
	title = {Alta Gracia :},
	publisher = {Ministerio de Comercio e Industria,},
	year = {1957.},
	series = {Base Topográfica},
	address = {Buenos Aires :},
	note = {Relevamiento: 1934,1936.}
}