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

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RICHARDS, J.M.; NAUDE, G.; THERON, S.J.  e  MCCULLUM, M.. Petrological characterization of coal: an evolving science. J. S. Afr. Inst. Min. Metall. [online]. 2013, vol.113, n.11, pp. 865-875. ISSN 2411-9717.


 


 

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