Takao Umezu
- Directional Controllable Tunnelling Machine Designing And Characteristics. In: 土木学会論文集 (Doboku Gakkai rombunshū), v. 1984, n. 352 ( 1984). (1984):
- Method To Measure Horizontal Position Of Tunnelling Machine. In: 土木学会論文集 (Doboku Gakkai rombunshū), v. 1985, n. 358 (Juni 1985). (1985):
- Pipe Jacking Method for Long Curve Construction. In: Journal of Construction Engineering and Management, v. 111, n. 2 (Juni 1985). (1985):