Katsumi Matsubara
- On The Soil Spring Constants For Buried Pipeline Structures. Dans: 土木学会論文集 (Doboku Gakkai rombunshū), v. 1997, n. 570 (juillet 1997). (1997):
- Soil Spring Constants of Buried Pipelines for Seismic Design. Dans: Journal of Engineering Mechanics (ASCE), v. 126, n. 1 (janvier 2000). (2000):