@book{40563,
	author = {Chomnales, R.},
	title = {Estudio microscópico de muestras procedentes de San Antonio de los Cobres, prov. de Salta.},
	publisher = {IDGYM,},
	year = {jun, 1968.},
	series = {Informe Inédito},
	address = {Jujuy :}
}