Ref NoNEIMME/7/2/1
Acc No2007/1
TitleColloquium on Mine Ventilation
DescriptionColloquium on mine Ventilation, Sections I and II, arranged by specialized Section Committee on Mine Ventilation on behalf of Discussion Group sub-Committee with the approval of the Council of the Institution of Mining Engineers Mar-Apr 1970, excerpts from 'The Mining Engineer' Feb 1970, Feb 1971, Mar 1971
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