1. 1) Bull, W. B. (1977) : The alluvial-fan environment, Progress in Physical geography, 1(2), 222-270.
2. 2) Chae, H.Y. (2014) : Evaluation of Saemangeum dreged solil by shear wave velocity in the geophysical logging, Doctoral Dissertation, Hanyang University, Seoul, Republic of Koea
3. 3) Do, J., Hwang, P., Chung, S., & Chun, B. (2011) : Analysis on Relation of S-wave Velocity and N Value for Stratums in Chungcheong Buk-do, Journal of the Korean GEO-environmental Society, 12(10), 13-22.
4. 4) Heo, G.-S., & Kwak, D.-Y. (2022) : VS Prediction Model Using SPT-N Values and Soil Layers in South Korea, Journal of the Korean Geotechnical Society, 38(8), 53-66.
5. 5) Imai, T., & Tonoughi, K. (2021) : Correlation of N value with S-wave velocity and shear modulus, In Penetration Testing, volume 1 (pp. 67-72): Routledge.