ALTIERI, K. E.; BURGER, J.; LANGUAGE, B.; PIKETH, S. J. A case study in the wintertime Vaal Triangle Air-Shed Priority Area on the utility of the nitrogen stable isotopic composition of aerosol nitrate to identify NOx sources. Clean Air Journal, [S. l.], v. 32, n. 1, 2022. DOI: 10.17159/caj/2022/32/1.12505. Disponível em: https://cleanairjournal.org.za/article/view/12505. Acesso em: 4 oct. 2022.