SciELO - Scientific Electronic Library Online

SciELO - Scientific Electronic Library Online

Automatic translation using Windows Live Translator and Google Translator service
This is an automatic translation that represents a best effort but it was not reviewed by the author and might have imperfections.

HUANG, B.X et al. Hydraulic fracturing technology for improving permeability in gas-bearing coal seams in underground coal mines. J. S. Afr. Inst. Min. Metall. [online]. 2012, vol.112, n.6, pp. 485-495. ISSN 0038-223X.

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