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1.- Mine ventilation
Jones, M.J.; Institution of Mining Engineers; Howes, M.J.; The Institution of Mining and Metallurgy (Reino Unido); M.J. Howes and M.J. Jones, ed.; Congreso - International Congress on mine ventilation (3 . 1984 . Harrogate)
London: Inst. of Mining and Metallurgy : Inst. of Mining Engineers, 1984
IV / 1 - 7 - 21
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2.- Symposium on face - ends technology
Institution of Mining Engineers; Congreso - Symposium of face - end technology (1980)
Great Britain: The Institution of Mining Engineers, 1981
I / 19 - 7 - 21
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