@book{40721,
	author = {Giordana, C. A.},
	title = {Estudio de un mineral de hierro del Dr. J. Figeroa para uso pigmento.},
	publisher = {IDGYM,},
	year = {abr, 1967.},
	series = {Informe Inédito},
	address = {Jujuy :}
}