About NAGASHIMA S
About Tohoku Univ., Sendai, JPN
About MORIYA H
About Tohoku Univ., Sendai, JPN
About NIITSUMA H
About Tohoku Univ., Sendai, JPN
About Progress in Acoustic Emission 6
About engineering geological survey
About Earthwork planning,earthwork
About 地下
About 土木工学
About AE
About 検出器
About 開発
About キャリブレーション