-
Joji SHIMA
Sabo & Landslide Technical Center
-
Yuki IGARASHI
Sabo & Landslide Technical Center
-
Masanori SHIRAIWA
Erosion Control and Landslide Prevention Division, Department of Prefectural Land Development, Fukuoka Prefecture
-
Hiroyuki YUKAWA
Erosion Control and Landslide Prevention Division, Department of Prefectural Land Development, Fukuoka Prefecture