Hiroki Oikawa
- Upon the Ordinances for Protecting Endangered Species in Japan: Why Have not Some Prefectures Enacted Them?. Dans: Ecology and Civil Engineering, v. 25, n. 2 (mars 2023). (2023):
- Model tests on horizontal pile-to-pile interaction incorporating local non-linearity and resonance effects. Dans: Soil Dynamics and Earthquake Engineering, v. 48 (mai 2013). (2013):