Tokio Kondo
- Design and construction of prestressed concrete curved railway bridge consisting of precast concrete blocks. Presented at: Ninth Congress of IABSE = Neuvième Congrès de l'AIPC = Neunter Kongress der IVBH, Amsterdam, Netherlands, 8-13 May 1972. (1972):
- Precast prestressed concrete truss railway bridge using extremely high strength concrete. Presented at: Tenth Congress of IABSE = Dixième Congrès de l'AIPC = Zehnter Kongress der IVBH, Tokyo, Japan, 6-11 September 1976. (1976):