Hisashi Sumitomo
- (2002): Education And Researches Needed For Water Supply Engineering In The 21 Century. Dans: 土木学会論文集 (Doboku Gakkai rombunshū), v. 2002, n. 713 (août 2002).
- (2003): Effect Of Water Environment Improvement Of Lake Biwa From The Viewpoint Of The Area Inviting Recreation. Dans: 土木学会論文集 (Doboku Gakkai rombunshū), v. 2003, n. 734 (mai 2003).
Structurae coopère avec
