1. Finite element procedures;Bathe,1996
2. Mapped wave envelope elements for acoustical radiation and scattering;Astley;J Sound Vibr,1994
3. A three-dimensional acoustic infinite element based on prolate spheroidal multipole expansion;Burnett;J Acoust Soc Am,1994
4. A variable order infinite acoustic wave envelope element;Cremers;J Sound Vibr,1994
5. The boundary element method in engineering;Becker,1992