Yoshinori Toyooka
- Development Of Quantitative Evaluation Method For Underground Methane Gas Using Bat System. Dans: 土木学会論文集 (Doboku Gakkai rombunshū), v. 1998, n. 609 (décembre 1998). (1998):
- Application Of Bat In-situ Permeability Test System To Sandy Ground. Dans: 土木学会論文集 (Doboku Gakkai rombunshū), v. 1999, n. 630 (septembre 1999). (1999):