About YAMAZAKI KOSUKE
About 東大 生産技研
About SEZAKI KAORU
About 東大 生産技研 概念情報工研セ
About 電子情報通信学会技術研究報告
About geographic information system
About GPS
About Electronic navigation in general
About Telephone,data communication and exchange in general
About Public information systems
About ジオキャスト
About 手法
About 提案