1. Foundation Analysis and Design, Chapter 2;Bowles,1968
2. Foundations of Theoretical Soil Mechanics, Chapter 6;Harr,1966
3. Bearing capacity factors for inclined loads;Kameswara Rao;Jour. of Soil Mech. and Foundations Div., ASCE,1972
4. Limiting equilibrium solutions to a class of stability problems in soil mechanics;Krishnamurthy,1972
5. Influence of roughness of base and ground-water conditions on the ultimate bearing capacity of foundations;Meyerhof;Geotechnique,1955