@article{rosa_ruberti_2018,  title={Nepheline syenites to syenites and granitic rocks of the Itatiaia Alkaline Massif, Southeastern Brazil: new geological insights into a migratory ring Complex},  volume={48},  ISSN={2317-4889},  url={https://doi.org/10.1590/2317-4889201820170092},  DOI={10.1590/2317-4889201820170092},  number={2},  journal={Brazilian Journal of Geology},  publisher={Sociedade Brasileira de Geologia},  author={Rosa, Pedro Augusto da Silva and Ruberti, Excelso},  year={2018},  month={Apr},  pages={347–372} }