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Consistent FEM-Vlasov model for plate on layered soil(J. Struct. Engrg. Volume 125, Issue 1, pp. 108-113 (January 1999) for
Finite element analysis pf a plate on a layered cross-anisotropic foundation(Warld and Fraser)
Numerical analysis of rectangular rafts on layered foundation.Geotechnique 1976;26(4):613-30.