Rosa, M. L. S., Oliveira, J. A., Conceição, H., Rios, D. C., Pimenta, A. C. S. and Santos, J. J. A. (2013) “Petrography of Serra da Gruta Nepheline Syenite Stock, Southern Bahia Alkaline Province”, Scientia Plena, 8(11(b). Available at: https://www.scientiaplena.org.br/sp/article/view/1118 (Accessed: 19May2024).