1. Building for Tomorrow: Global Enterprise and the U.S. Construction Industry;Building Research Board,1988
2. Influencing the cost;Einstein,1984
3. Activities of the Geological Survey of Japan;Geological Survey of Japan,1985
4. Geo-space Engineering Center, Engineering Advancement Association of Japan. Brochures and committee reports.
5. Japan's new frontier strategy: underground space development;Hanamura;Tunnelling and Underground Space Technology,1990