ENERGY DISPERSION X-RAY FLUORESCENCE ANALYSIS FOR ENVIRONMENT PROTECTION. ENVIRONMENT. TECHNOLOGY. RESOURCES. Proceedings of the International Scientific and Practical Conference, [S. l.], v. 1, p. 214–218, 2005. DOI: 10.17770/etr2005vol1.2154. Disponível em: https://archive-journals.rtu.lv/etr/article/view/3581.. Acesso em: 11 mar. 2026.