Yoshinori Ohsawa
- The Investigation Of Ceramic Pipe Containing A Mixture Of Incinerated Sewage Sludge Ash. In: 土木学会論文集 (Doboku Gakkai rombunshū), v. 1999, n. 615 (Februar 1999). (1999):
- Utilization Of Regenerating Waterworks Sludge To Resources By Fluoride Electrolysis As A Material Of Planting Ground In Slope Seeding. In: 土木学会論文集 (Doboku Gakkai rombunshū), v. 1999, n. 629 (August 1999). (1999):
- In-situ Examination Using Waterworks Sludge As A Material Of Planting Ground In Slope Seeding. In: 土木学会論文集 (Doboku Gakkai rombunshū), v. 2003, n. 734 (Mai 2003). (2003):