1. Shear wave measurements of the elasticity of the ground;Abbiss;Geotechnique,1981
2. Quantitative seismology;Aki,1980
3. Attenuation of seismic energy in upper mantle;Anderson;J. Geophys. Res.,1965
4. Seismic anisotropy in the earth;Babuska,1991
5. An introduction to theory of seismology;Bullen,1985