ZENTILLI & DOSTAL (1977): Uranium in volcanic rocks from centre Andes. Journ. of volcanol. and geotherm research 36587 p.251-258 Amsterdam. Andes, Andes cerculates uranio, rocas volcánica.
ZENTILLI & DOSTAL (1977): Uranium in volcanic rocks from the central Andes. Journ. of volcanol. and geotherm research 36587 p.251-258 Amsterdam. Andes, Andes centrales uranio, rocas volcánica.