DIMITROVA, D.; CHOLAKOVA, Z.; VELITCHKOVA, N.; KOTSEV, T.; MLADENOVA, V.; KERESTEDJIAN, T.; ANTONOV, D. Heavy metal and metalloid concentration dynamics in mine and surface waters in the vicinity of Chiprovtsi and Martinovo mines, Northwestern Bulgaria. Bulletin of the Geological Society of Greece, [S. l.], v. 40, n. 3, p. 1397–1408, 2007. DOI: 10.12681/bgsg.16973. Disponível em: https://ejournals.epublishing.ekt.gr/index.php/geosociety/article/view/16973. Acesso em: 9 may. 2024.