Petrographic notes on the Ribeira series in the State of Sao Paulo. Bol. Fac. Filos. Ciênc. Let. Univ. São Paulo, Mineral. [Internet]. 1941 Dec. 17 [cited 2024 May 20];(4):7-13. Available from: https://periodicos.usp.br/bffcluspmineralogia/article/view/121324