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donald o rausch
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Cilt sonuçları
Lead-zinc update
Donald O. Rausch · Society of Mining Engineers of AIME
414 sayfa · 1977
Metallurgy / Ore-dressing / Congresses / Lead / Zinc
Studies of ice excavation
Donald O. Rausch · Colorado School of Mines
90 sayfa · 1959
Military engineering / Cold weather conditions / Glaciers / Ice excavation