Akira Seki
- Restoration and Preservation for the Nishida Bridge, one of the Five Stone-Masonry Arch Bridges over the Kotuki River. In: Historical Studies in Civil Engineering, v. 21 ( 2001). (2001):
- Utilization of Digital Information on Nishida Bridge relocation and restoration. In: Historical Studies in Civil Engineering, v. 21 ( 2001). (2001):
- On the Construction Technique and Improvements of Nishida Bridge. In: Historical Studies in Civil Engineering, v. 17 ( 1997). (1997):