MSILA, Xolani; LABUSCHAGNE, Frans; BARNARD, Werner; BILLING, David G. Radioactive nuclides in phosphogypsum from the lowveld region of South Africa. South African Journal of Science, [S. l.], v. 112, n. 1/2, p. 5, 2016. DOI: 10.17159/sajs.2016/20150102. Disponível em: https://sajs.co.za/article/view/4154. Acesso em: 6 may. 2024.