Chaves Ramos, Rodrigo. “Geology of Sapiranga RS at 1:25,000 Scale: Subsidies for the Preparation of the town’s Environmental Master Plan”. Pesquisas em Geociências 52, no. 1 (June 19, 2025): e139330. Accessed September 1, 2026. https://seer.ufrgs.br/index.php/PesquisasemGeociencias/article/view/139330.