@book{40628,
	author = {Chomnales, R.},
	title = {Estudio microscópico de cortes pulidos procedentes de Mina Martín Bronce, dpto. Santa Bárbara.},
	publisher = {IDGYM,},
	year = {ago, 1979.},
	series = {Informe Inédito},
	address = {Jujuy :}
}