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Geophysical and Geochemical Exploration  1985, Vol. 9 Issue (5): 396-398    DOI:
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THE EFFECTIVENESS OF APPLYING SHALLOW Seismic REFRACTION WAVE METHOD TO THE DETERMINATION OF REMNANT THICKNESS OF COAL BED IN AN EXCAVATION TUNNEL
Xu Xiaoting
Division of Geological Survey, North Anhui Mning Burean
京ICP备05055290号-3
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