HUDSON, D.F; BUBENGER, K.J. Prerequisites for effective tendering, installation and operation of gas cleaning equipment. Clean Air Journal, [S. l.], v. 3, n. 2, 1977. DOI: 10.17159/caj/1977/3/2.7241. Disponível em: https://cleanairjournal.org.za/article/view/7241. Acesso em: 9 may. 2024.