1. The finite element method in plane stress analysis;Clough,1960
2. Finite element procedures;Bathe,1996
3. Generalized stiffness matrix method for layered soils;Kausel;Soil Dynam Earthq Eng,2018
4. Boundary element methods for soil-structure interaction;Hall,2003
5. Finite-element modelling of unbounded media;Wolf,1996