1. Integrated study of reinforced earth — I: Theoretical formulation;Romstad;J. Geotech. Engng. Div., A.S.C.E.,1976
2. Numerical analysis of stone column reinforced foundations;Schweiger;Computers and Geotechnics,1986
3. Analysis of foundations on gravel columns via a homogeneization method;Nova;Computers and Geotechnics,1989
4. Reinforced embankments on weak soil: different theoretical approaches;Gourc,1986
5. The analysis of steel-reinforced embankments on soft clay foundations;Rowe,1988