1. Ang A. H-S. and Tang W. H. (1975). Probability concepts in engineering planning and design. Vol. I Basic principles . John Wiley & Sons New York.
2. Byrne R. J. Kendall J. and Brown S. (1992). “Cause and mechanism of failure Kettleman Hills landfill B-19 unit IA.” Proc. ASCE Spec. Conf. on Performance and Stability of Slopes and Embankments Vol. 2 ASCE Reston Va. 1188–1215.
3. Back analysis techniques for slope stabilization works: a case record
4. Duncan J. M. Byrne P. Wong K. S. and Mabry P. (1978). “Strength stress-strain and bulk modulus parameters for finite element analyses of stresses and movements in soil masses.” Rep. No. UCB/GT/78-02 University of California Berkeley Calif.
5. Duncan J. M. and Stark T. D. (1992). “Soil strengths from back analysis of slope failures.” Stability and Performance of Slopes and Embankments—II Geotechnical Special Publication No. 31 Berkeley Calif. 890–904.