@article{article005257bc,
title   = {Alkaline magmatism in the Ponta Grossa Arch, SE Brazil: a review},
author = {Gomes, Celso B. and Ruberti, Excelso and Comin-Chiaramonti, P. and Azzone, Rogério Guitarrari},
year = {2011},
doi = {10.1016/j.jsames.2011.05.003},
journal   = {Journal of South American Earth Sciences}
}