@inbook{inbook33fe9ce7,
title   = {The Alkaline magmatism from the Ponta Grossa arch},
author = {Ruberti, Excelso and Gomes, Celso B. and Comin-Chiaramonti, P.},
year = {2005},
publisher = {EDUSP/FAPESP},
journal   = {Mesozoic to Cenozoic alkaline magmatism in the brazilian platform}
}