Daniel R. Stewart, editor ; sponsored by Mining & Exploration Division, Society of Mining Engineers of AIMESociety of Mining Engineers of the American Institute of Mining, Metallurgical, and Petroleum Engineers, Inc.1981
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Subject HeadingMines -- Exploitation par foudroyage -- Congrès Abattage en gradins -- Congrè...
Subject Heading (ID)Mines -- Exploitation par foudroyage -- Congrès Abattage en gradins -- Congrè...