1. Basic singularities in the theory of internal waves;Gorgui;Quart. J. Mech. Appl. Math.,1978
2. On waves at an interface between two liquids;Rhodes-Robinson,1980
3. Multipole expansion for two superposed fluids, each of finite depth;Kassem,1982
4. Wave source potentials for two superposed fluids, each of finite depth;Kassem,1986
5. On the reflection of surface waves by a submerged plane barrier;Dean,1945