1. Field tests on piles in sand;BCP Committee;Soils and Foundations, JSSMFE,1971
2. The strength of soils as engineering materials;Bishop;Geotechnique,1966
3. The effect of grain crushing on the peak angle of internal friction of a sand;Feda,1971
4. Influence of water on the particle breakage characteristics of decomposed granite soil;Fukumoto,1973
5. Particle breakage during shear deformation;Fukumoto,1980