1. Shear strength of soft clay;Broms;Discussion, Proc., Geotechnical Conference, Oslo,1967
2. Stability of natural slopes and embankment foundations;Broms;Discussion, Proc., 7th ICSMFE, Mexico,1969
3. Piles subjected to static lateral loads;De Beer,1977
4. The behaviour of piles for preventing landslide;Fukumoto;Jour, of JSSMFE,1976
5. Methods to estimate lateral force acting on stabilizing piles;Ito;Soils and Foundations,1975