1. Revised and extended formula for bearing capacity;Brinch Hansen,1970
2. Caquot, A., Kerisel, J., 1953. Sur le terme de surface dans le calcul des fondations en milieu pulverulent. In: Proceedings of the Third International Conference on Soil Mechanics and Foundation Engineering, Zurich, Switzerland, vol. 1, 16–27 August 1953, pp. 336–337.
3. Limit Analysis and Soil Plasticity;Chen,1975
4. Shallow Foundations, Bearing Capacity and Settlement;Das,1999
5. Experimental determination of the shape factors and the bearing capacity factors of sand;De Beer;Géotechnique,1970