López-Moro, F.J., et al. “Zircon and Allanite U-Pb ID-TIMS Ages of Vaugnerites from the Calzadilla Pluton, Salamanca (Spain): Dating Mantle-Derived Magmatism and Post-Magmatic Subsolidus Overprint”. Geologica Acta, vol. 15, no. 4, Jan. 2018, pp. 395-08, https://raco.cat/index.php/GeologicaActa/article/view/330806.