@book{40849,
	author = {Lyons, Wilfredo Alejandro},
	title = {El filón - capa basáltico de la Formación Petrolífera de Jujuy.},
	publisher = {IDGYM,},
	year = {1951.},
	series = {Informe Inédito},
	address = {Jujuy :}
}