1. Interpretation and applications of borehole gravity surveys;Beyer,1982
2. Application of seismic traveltime tomography;Bording;Geophys. J. Roy. Astr. Soc.,1987
3. Cross-hole seismic tomography;Bregman;Geophysics,1989
4. Comments on “Phase distortion and Hilbert transformation in multiply reflected and refracted body waves”;Clayton;Bull. Seismol. Soc. Am.,1975
5. Computerized geophysical tomography;Dines,1979