The study on the possibility of using sewage sludge in the ecological reconstruction of contaminated sites from the petroleum industry. Ann_UGAL_Math_Phys_Mec [Internet]. 11. September 2023 [zitiert 2. November 2026];46(1):24-31. Verfügbar unter: https://ojs.ugal.ro/index.php/math/article/view/6236