Provenance Study of Gypsum Black Crusts. The Eurasia Proceedings of Science, Technology, Engineering and Mathematics, [S. l.], v. 24, p. 119–125, 2023. DOI: 10.55549/epstem.1406254. Disponível em: https://www.epstem.net/index.php/epstem/article/view/696. Acesso em: 20 jan. 2026.