P. Comin-Chiaramonti, C. B. Gomes, E. Ruberti, P. Antonini, F. Castorina, and P. Censi, “MATO PRETO ALKALINE-CARBONATITE COMPLEX: GEOCHEMISTRY AND ISOTOPE (O-C, Sr-Nd) CONSTRAINS”, Geochim. Bras., vol. 15, no. 1, Dec. 2011.