SKVORTSOVA, Vera; MIRONOVA-ULMANE, Nina; TRINKLER, Laima. Optical Properties of Natural and Synthetic Minerals. ENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical Conference, Rezekne, Latvia, v. 1, p. 195–200, 2015. DOI: 10.17770/etr2013vol1.829. Disponível em: https://journals.rta.lv/index.php/ETR/article/view/829.. Acesso em: 22 dec. 2024.