1. The Ministry of Land, Infrastructure, Transport and Tourism: Annual report 2015 on Maintenance of Roads, Japan, 2015, https://www.mlit.go.jp/hakusyo/mlit/h26/hakusho/h27/index.html (in Japanese)
2. T. Shiotani, H. Ohtsu, S. Momoki, H.K. Chai, H. Onishi, T. Kamada, Damage evaluation for concrete bridge deck by means of stress wave techniques. J. Bridge Eng. 17, 847–856 (2012)
3. Y. Kobayashi, T. Shiotani,Seismic tomography with estimation of source location for concrete structure, in Structural Faults and Repair 2012 (CD-ROM, Edinburgh, Scotland, 2012)
4. T. Shiotani, H. Asaue, T. Nishida, T. Maeshima, Y. Tanaka, Evolution of fatigue damage in wheel-loading tests evaluated by 3D elastic-wave tomography. J. Disaster Res. 487–495 (2017)
5. Y. Kobayashi, T. Shiotani, H. Shiojiri, Damage identification using seismic travel time tomography on the basis of evolutional wave velocity distribution model, in Proceedings of Structural Faults and Repair 2006 (CD-ROM, 2006)