Journal of the Southern African Institute of Mining and Metallurgy versão On-line ISSN 2411-9717versão impressa ISSN 2225-6253
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WANG, X. et al.Evaluating the coal bump potential for gateroad design in multiple-seam longwall mining: A case study. J. S. Afr. Inst. Min. Metall. [online]. 2015, vol.115, n.8, pp.755-760.
ISSN 2411-9717.