Takashi Sugiyama
- (2004): Design Methodology About Twin Type Closed Tunnels Without The Center Pillar. In: 土木学会論文集 (Doboku Gakkai rombunshū), v. 2004, n. 756 (March 2004).
- (2004): A Study On Tunneling Methods For Twin Type Closed Tunnels Based On The Comparison Of Support Load. In: 土木学会論文集 (Doboku Gakkai rombunshū), v. 2004, n. 777 (December 2004).
- (1999): The Changes of the Subway Plant from the Viewpoint of the Users' Movement. In: Historical Studies in Civil Engineering, v. 19 ( 1999).
Structurae cooperates with
