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Continue to ChatSingle Borehole P-Wave and S-Wave Geophysics with PS-suspension Probe https://geoprac.net/2009/11/single-borehole-p-wave-and-s-wave-geophysics-with-ps-suspension-probe/
Single Borehole P-Wave and S-Wave Geophysics with PS-suspension Probe https://geoprac.net/2009/11/single-borehole-p-wave-and-s-wave-geophysics-with-ps-suspension-probe/