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Journal of the Southern African Institute of Mining and Metallurgy
versão On-line ISSN 2411-9717

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PETHO, S.Z.; SELAI, C.; MASHIYI, D.  e  VAN DER MERWE, J.N.. Managing the geotechnical and mining issues surrounding the extraction of small pillars at shallow depths at Xstrata Coal South Africa. J. S. Afr. Inst. Min. Metall. [online]. 2012, vol.112, n.2, pp. 105-118. ISSN 2411-9717.


 


 

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