Vibrations from instantaneous and millisecond-delayed quarry blasts

by Wilbur I. Duvall ... [et al.]
Bok Engelsk 1963


Utgitt	[Washington] : United States Department of the Interior, Bureau of Mines , 1963
Omfang	34 s. : ill.
Emner	Sjokkbølger Sprengningsarbeider - Forente stater Steinbrudd

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