Rapid excavation--problems and progress : proceedings of the Tunnel and Shaft Conference, Minneapolis, Minnesota, May 15-17, 1968 / Edited by Donald H. Yardley.
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New York :
Society of Mining Engineers of the American Institute of Mining, Metallurgical, and Petroleum Engineers,
1970.
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Médium: | Konferenční příspěvek Kniha |
EPS Library, Level 3
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