Chika Ohnishi
- The Measuring Method Of Sand Density Using The Split Spoon Sampler With Built-in Tube. Dans: 土木学会論文集 (Doboku Gakkai rombunshū), v. 2000, n. 652 (juin 2000). (2000):
- System For Estimating Coefficients Of Permeability In Regional Ground Water Survey. Dans: 土木学会論文集 (Doboku Gakkai rombunshū), v. 2002, n. 701 (mars 2002). (2002):