1. On the Scattering Cross Section of an Obstacle;Jones;Phi. Mag.,1955
2. Kyoya, T., Ichikawa, Y. and Kawamoto, T., A Damage Mechanics Theory for Discontinuum Rock Mass, Proc. Int. Conf. Numerical Methods in Geomechanics, ed. Kawamoto, T. & Ichikawa, Y., Vol.1, Balkema (1985), pp.469–480.
3. Finite Dynamic Model for infinite Media;Lysmer;J. of the Eng. Mech. Division,1967
4. Fabric Tensor for Discontinuous Geological Material;Oda;Solids and Foundations,1982
5. Attenuation of a plane Compressional Wave by a Random Distribution of Thin Circular Cracks;Piau;Int. J. Engng. Sci.,1979