References
- Information Communication System of Disasters Prevention Association (2003). Information Communication System of Disasters Prevention (pp. 1-73), Sankaido.
- Kyoto University Disasters Prevention Laboratory (2003). Foundation Disaster (pp. 9-21). Sankaido
- Takei, A. (1980). Landslide, collapse, mudslide - Prediction and Measure (pp.65-77). Kashima publishing.