[1]
Sartori, P.L.P. and Maciel Filho, C.L. 1983. Petrography of acid rocks of the Serra Geral Formation in the Paranapanema River region, São Paulo, Brazil. Ciência e Natura. 5, 5 (Dec. 1983), 19–24. DOI:https://doi.org/10.5902/2179460X24979.