Ritsuo Tada
- Utilization Of Unused Water Resources In Urban Area For Establishment A Water Conservation City. Dans: 土木学会論文集 (Doboku Gakkai rombunshū), v. 1999, n. 622 (mai 1999). (1999):
- Estimation On Environmental Friendliness Of The Treated Wastewater Reusing System For The Water Shorting River In Urban Area. Dans: 土木学会論文集 (Doboku Gakkai rombunshū), v. 1999, n. 629 (août 1999). (1999):