VAN ZYL, Pieter G. et al. Assessment of atmospheric trace metals in the western Bushveld Igneous Complex, South Africa. South African Journal of Science, [S. l.], v. 110, n. 3/4, p. 1–11, 2014. DOI: 10.1590/sajs.2014/20130280. Disponível em: https://sajs.co.za/article/view/3768. Acesso em: 7 may. 2024.