@book{40566,
	author = {Chomnales, R.},
	title = {Estudio microscópico de minerales procedentes de mina Olga en el dpto. de Yavi.},
	publisher = {IDGYM,},
	year = {set, 1968.},
	series = {Informe Inédito},
	address = {Jujuy :}
}