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, . (2004). [Handbook of Geophysical Exploration: Seismic Exploration] Seismic While Drilling Fundamentals of Drill-Bit Seismic for Exploration Volume 35 || Chapter 4 General theory: Drill-string waves and noise fields. , (), 163–212. doi:10.1016/S0950-1401(04)80010-7 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research