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Journal of Mining Science > 2015 > 51 > 1 > 138-143
Journal of Mining Science > 2014 > 50 > 5 > 943-952
Journal of Mining Science > 2008 > 44 > 6 > 622-627
Journal of Mining Science > 2015 > 51 > 1 > 138-143
Journal of Mining Science > 2014 > 50 > 5 > 943-952
Journal of Mining Science > 2008 > 44 > 6 > 622-627