@book{40658,
	author = {Chomnales, R.},
	title = {Estudio microscópico de cortes pulidos, nivel 6 de Mina Concordia, crucero, cortaveta, pcia. de Salta.},
	publisher = {IDGYM,},
	year = {dic, 1983.},
	series = {Informe Inédito},
	address = {Jujuy :}
}