HOLBAN, Nina; DIŢOIU, Valeria. RESEARCH RELATED TO THE PAST EXPLOITATION IMPACT OF CALIMANI SULPHUR ORE UPON THE ENVIRONMENT. Ecoforum Journal, [S. l.], v. 5, n. 1, 2016. Disponível em: https://ecoforumjournal.ro/index.php/eco/article/view/2280. Acesso em: 7 nov. 2025.