1. Diffraction of elastic waves by cracks-analytical results;Achenbach,1978
2. Scattering of elastic waves by a surface-breaking crack;Mendelsohn;Wave Motion,1980
3. The non-existence of standing modes in certain problems of linear elasticity;Gregory,1974
4. The disturbance due to a line source in a semi-infinite elastic medium;Lapwood;Philosophical Transactions of the Royal Society Series A,1949
5. The forced two dimensional oscillations of a rigid strip in smooth contact with a semi-infinite elastic solid;Wickham,1977