Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Summary of results of recent research conducted by metal-mining research section of U S Bureau of Mines; experimental work based on velocity of sound and detection of subaudible noises; some representative results presented and discussed.
Summary of results of recent research conducted by metal-mining research section of U S Bureau of Mines; experimental work based on velocity of sound and detection of subaudible noises; some representative results presented and discussed.
Measurement of rock pressures in underground mines
Eng Min J
Obert, L. (Autor:in)
1941
4 pages
Aufsatz (Zeitschrift)
Englisch
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