KORNELIUS, G; DU RAND, J.C; BOUCHINGER, K. Gasfiltrasie deur gruisbeddens met aanwending van ’n elektriese veld. Clean Air Journal, [S. l.], v. 7, n. 3, 1987. DOI: 10.17159/caj/1987/7/3.7284. Disponível em: https://cleanairjournal.org.za/article/view/7284. Acesso em: 20 apr. 2024.