@book{40640,
	author = {Chomnales, R.},
	title = {Estudio microscópico de concentración de primera mesa, de Mina Chinchilla, dpto. Rinconada.},
	publisher = {IDGYM,},
	year = {set, 1979.},
	series = {Informe Inédito},
	address = {Jujuy :}
}