Hyōgo Kenritsu Suisan Shikenjō

• 1983-1984 (Shōwa 58-nendo) nen tōki ni seikishita Hyōgo-ken Seto Naikai suiiki ni okeru ijō teisuion genshō ni kansuru chōsa hōkoku
• Hyōgo-ken ni okeru suisan shiken kenkyū 75-nen no ayumi
• Nihon-san gyorui hōgenshū