Hirotaka Sokobiki
- Field Investigation Of Weathering In Hiroshima Granite. Dans: 土木学会論文集 (Doboku Gakkai rombunshū), v. 1998, n. 589 (mars 1998). (1998):
- Strength Characteristics of Undisturbed Landslide Clays in Tertiary Mudstone. Dans: Soils and Foundations, v. 36, n. 3 (septembre 1996). (1996):