M. Ntšolo and D. Kalumba and N. Lefu and G. Letlatsa, Numerical Modelling of Shear Zone and Its Implications on Slope Instability at Letšeng Diamond Open Pit Mine, Lesotho. journal = {International Journal of Geological and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology. March 2017, vol. 124(4). 310 - 319 [viewed 20 September 2024]. Available from: https://publications.waset.org/pdf/10006821.