1. Sigaki T, Kiyohara K, Sono Y, Kinosita D, Masao T, Tamura R, Yoshimura C, Ugata T. Estimation of earthquake motion incident angle at rock site. In: Proceedings of 12th World Conference on Earthquake Engineering. Auckland: NZ National Society for Earthquake Engineering, 2000, 1–8
2. Ewing W M, Jardetzky W S, Press F. Elastic Waves in Layered Media. New York: McGraw-Hill, 1957
3. Graff K F. Wave Motion in Elastic Solids. New York: Dover Publications, Inc, 1975
4. Wolf J P. Dynamic Soil-structure Interaction. Englewood Cliffs: Prentice-Hall, 1985
5. Lee V W, Karl J. Diffraction of SV waves by underground, circular, cylindrical cavities. Soil Dynamics and Earthquake Engineering, 1992, 11(8): 445–456