@book{39021,
	author = {Congreso Latinoamericano de Geología and Servicios Geológicos de Latinoamérica y el Caribe},
	title = {6º Congreso Latinoamericano de Geología :},
	publisher = {S.G.L.A.C.,},
	year = {1985.},
	address = {Bogotá :}
}