@article{article216e22a3,
title   = {The Serra da Graciosa A-type Granites and Syenites, southern Brazil: Part 1: Regional setting and geological characterization},
author = {Gualda, Guilherme Augusto Rosa and Vlach, Silvio Roberto Farias},
year = {2007},
doi = {10.1590/S0001-37652007000300006},
journal   = {Anais da Academia Brasileira de Ciências}
}