“ Alterations of Plagioclases of the Rhyodacites from the Serra Geral Formation (JKsg) of Piraju (SP) Brazil ”. Scientia Agricola 59, no. 2 (June 1, 2002): 383–388. Accessed May 18, 2024. https://www.revistas.usp.br/sa/article/view/21740.