The origin of post-Paleozoic magmatism in eastern Paraguay - Comin-Chiaramonti, P.; Marzoli, Andrea; Gomes, Celso B.; Milan, Anderson; Riccomini, Claudio; Velázquez Fernandez, Victor; Mantovani, Marta Silvia Maria; Renne, Paul; Tassinari, Colombo Celso Gaeta; Vasconcelos, Paulo Marcos (Plates, plumes, and planetary processes, 2007)