Kneen, Melanie A., Matthew E. Ojelede, and Harold J. Annegarn. “Housing and Population Sprawl Near Tailings Storage Facilities in the Witwatersrand: 1952 to Current”. South African Journal of Science 111, no. 11/12 (November 24, 2015): 9. Accessed May 2, 2024. https://sajs.co.za/article/view/3818.