Norio HARADA, Ken’ichirou KOSUGI, Yoshifumi SATOFUKA and Takahisa MIZUYAMA 47
Japan Society of Erosion Control Engineering
Sabo Kaikan Bekkan 3F, 2-7-5 Hirakawa-cho, Chiyoda-ku, Tokyo
Phone +81-3-3222-0747 Fax +81-3-3230-6759
http://www.jsece.or.jp/
Mail jimu@jsece.or.jp