Yoichi Takahashi
- The Review Of The Analysis And Excurtion Method Of Bridge-foundations On Soft Ground In Hokkaido. Dans: 土木学会論文集 (Doboku Gakkai rombunshū), v. 1992, n. 444 (mars 1992). (1992):
- 浦山ダム下流に投入した土砂がウグイの産卵にもたらす効果について―ダム下流河川における土砂投入の効果―. Dans: Ecology and Civil Engineering, v. 6, n. 1 ( 2003). (2003):