1. Elastic and Viscoelastic Foundation Models;Kerr,1964
2. Elastic Analysis of Soil — Foundation Interaction;Selvadurai,1979
3. Horvath, J.S., “Historical Review of Subgrade Models”, Geotechnique (In Press).
4. Elastic-Plastic Foundation Model;Rhines,1960
5. Uplift of Drilled Piers in Loose Sand;Poorooshasb,1982