1. Al-Naqshabandy M.S. Bergman N.S. and Larsson S. (2011). "Strength variability in lime-cement columns based on CPT data." Ground improvement In press.
2. AMA (2007). "AMA Construction 07." Swedish building services Stockholm CDB.23. (In Swedish).
3. Baecher G. B. and Christian J.T. (2003). "Reliability and Statistics in Geotechnical Engineering." Wiley and Sons Ltd. England.
4. Lodalen slide: a probabilistic assessment