Kenichi Koga
- Study On Purification Mechanism Of Contact Oxidation Method Using The "sarubou" Shell. Dans: 土木学会論文集 (Doboku Gakkai rombunshū), v. 2002, n. 720 (novembre 2002). (2002):
- A Validation And Design Factors In A Test Plant Of Water Purification System Using The "sarubou" Shell. Dans: 土木学会論文集 (Doboku Gakkai rombunshū), v. 2002, n. 720 (novembre 2002). (2002):