Tadashi Sugi
- Development of Shield Machine for Acute Curved Tunnel. Dans: 土木学会論文集 (Doboku Gakkai rombunshū), v. 1987, n. 385 (septembre 1987). (1987):
- Development Of Sharp Turning Shield Machine. Dans: 土木学会論文集 (Doboku Gakkai rombunshū), v. 1991, n. 435 (septembre 1991). (1991):
- LNG地下式貯槽のコンクリート工事 (The Concrete Works of LNG Inground Storage Tanks in the Construction of the Higashi-Ogishima LNG Terminal). Dans: Concrete Journal (JCI), v. 22, n. 2 ( 1984). (1984):