Gumbie, M, Giwa, WZ, Moroka, M, Bogopa, M & Dzinomwa, GPT 2008, 'Sandfill Operations — Challenges and Benefits to BCL Ltd', in R Jewell, AB Fourie, P Slatter & A Paterson (eds), Paste 2008: Proceedings of the Eleventh International Seminar on Paste and Thickened Tailings, Australian Centre for Geomechanics, Perth, pp. 371-375, https://doi.org/10.36487/ACG_repo/863_34
(https://papers.acg.uwa.edu.au/p/863_34_Gumbie/)