@book{40560,
	author = {Chomnales, R.},
	title = {Estudio microscópico de minerales de hierro de Mina Arita, Salar de Arizaro en la pcia. de Salta.},
	publisher = {IDGYM,},
	year = {mar, 1968.},
	series = {Informe inédito},
	address = {Jujuy :}
}