Y.Inada and N.Kinoshita
Y.Fujii
Y.Obara
Rock Engineering and Mining Machinery Group
K.Matsui
H.Shimada
M.Ichinose
K.Itakura
Kiyotoshi Sakaguchi and Koji Matsuki
J.Yamatomi (1) (2) (3) (4)
S.Okubo & K.Fukui
Civil Structural Engineering Group