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