Licht, Otavio Boni. “GEOCHEMICAL BACKGROUND - WHAT A COMPLEX MEANING HAS SUCH A SIMPLE EXPRESSION!”. Geochimica Brasiliensis 34, no. 2 (December 21, 2020): 161–175. Accessed March 28, 2024. https://geobrasiliensis.org.br/geobrasiliensis/article/view/668.