FEIG, G.; GARLAND, R.; LANGERMAN, K.; WRIGHT, C. Y.; KORNELIUS, G. Celebration of the 80th Issue. Clean Air Journal, [S. l.], v. 29, n. 1, 2019. DOI: 10.17159/2410-972X/2019/v29n1a9. Disponível em: https://cleanairjournal.org.za/article/view/6842. Acesso em: 9 dec. 2022.