-
Morikazu NISHITA
OYO Corporation, The Engineering Main office
-
Kazuhiro AZAMI
OYO Corporation, Ecology and Civil Engineering Research Institutes
-
Nobuaki ISHIZAWA
OYO Corporation, The Engineering Main office
-
Kazumasa KUMAZAWA
OYO Corporation, Ecology and Civil Engineering Research Institutes
-
Shigekazu NAKAZAWA
Miharu Dam Management Office