About TAKEYAMA YASUSHI
About 電気学会電子・情報・システム部門大会講演論文集(CD-ROM)
About earthquake disaster
About transportation network
About railway
About road
About tsunami
About protective facility
About disaster prevention
About regional planning
About public transportation
About Great East Japan Earthquake
About refuge site
About escape route
About regional disaster prevention
About earthquake proofing
About highly functionalized
About Urban traffic
About Natural disasters
About 地域防災
About 交通