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Journal of the Southern African Institute of Mining and Metallurgy
versión On-line ISSN 2411-9717versión impresa ISSN 2225-6253

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YUAN, Y. et al. Hydraulic support instability mechanism and its control in a fully-mechanized steep coal seam working face with large mining height. J. S. Afr. Inst. Min. Metall. [online]. 2015, vol.115, n.5, pp.441-447. ISSN 2411-9717.


 


 

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