1. Estimating the stability of excavated slopes in open cast mines;Hoek;Trans. Inst. Min. Metall. Lond.,1970
2. Rock Slope Engineering;Hoek,1981
3. Stability analysis of the congress strect open cut in Chicago;Ireland;Geotechnique,1954
4. Practical examples of the φ = 0 analysis of the stability of clays;Skempton,1948
5. Evaluation of the university of Saskatchewan slope stability program;Krahn,1976