Bradley, GG 2006, 'Planning for Closure in Mali', in AB Fourie & M Tibbett (eds), Mine Closure 2006: Proceedings of the First International Seminar on Mine Closure, Australian Centre for Geomechanics, Perth, pp. 107-115, https://doi.org/10.36487/ACG_repo/605_3
(https://papers.acg.uwa.edu.au/p/605_3_Bradley/)