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Attempt to determine the regularity of variations in geophysical activity and in drilling yield from small-diameter boreholes before the occurrence of a rock burst in a coal seam (in Polish) : Matuszewski, K Przegl GornV39, N6, June 1983, P247–254


Publisher
Elsevier Science
Year
1984
Tongue
English
Weight
114 KB
Volume
21
Category
Article
ISSN
0148-9062

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