J. S. Afr. Inst. Min. Metall.- PDF Download - Art. IDS2225-62532019000200014

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

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LIU, X-J. and CHENG, Z-B.. Changes in subsidence-field surface movement in shallow-seam coal mining. J. S. Afr. Inst. Min. Metall. [online]. 2019, vol.119, n.2, pp.201-206. ISSN 2411-9717.