@book{40538,
	author = {Chomnales, R.},
	title = {Informe preliminar sobre la presencia de minerales de cobalto en la Mina Chorrillos, dpto. Tumaya.},
	publisher = {IDGYM,},
	year = {oct, 1966.},
	series = {Informe Inédito},
	address = {Jujuy :}
}