Use of Subaudible Noises for the Prediction of Rock Bursts

Author:	Obert, Leonard
Year:	1942
Document Type:	N/A
SUDOC:	I 28.23:3654
Series:	United States Bureau of Mines Reports
Report Number:	R. I. 3654
Subjects:	Rock bursts.
	Rock mechanics.
	Rocks -- Testing.
Link:	http://digital.library.unt.edu/ark:/67531/metadc38443/