1. Ahlvin R. G. and Ulery H. H. (1962). “Tabulated values for determining the complete pattern of stresses strains and deflections beneath a uniform load on a homogeneous half space.” Highway Research Board Bull. No. 342 1–13.
2. Bowles J. E. (1984). Physical and Geotechnical Properties of Soils 2nd ed. McGraw‐Hill Book Co. New York N.Y. 578 pages.
3. Bowles J. E. (1982). Foundation Analysis and Design 3rd ed. McGraw‐Hill Book Co. New York N.Y. 815 pages.
4. Janbu, Bjerrum and Kjaernsli's chart reinterpreted