1. Creager, W. P., Justin J. D., and Hinds, J., 1944, Engineering for Dams, Volume 1, New York, Wiley.
2. Dunbar, J. B., Smullen, S., and Stefanov, J. E., 2007, The use of geophysics in levee assessment, Symposium on the Application of Geophysics to Engineering and Environmental Problems, 2007: 61–68.
3. Groom, D., 2008, Common misconceptions about capacitively-coupled resistivity (CCR) what it is and how it works, Proceedings of the symposium on the application of geophysics to engineering and environmental problems 2008, 1345–1350.
4. Hayashi, K. and Suzuki, H, 2004. CMP cross-correlation analysis of multi-channel surface-wave data. Exploration Geophysics, 35, 7–13.
5. Hayashi, K., Inazaki, T., and SEGJ Levee Consortium, 2009, Integrated geophysical investigation for safety assessment of levee systems (Part 1): methodology, process and criterion for the safety assessment, Proceedings of the 9th SEGJ International Symposium–Imaging and Interpretation, 2009: 118.