1. Aki, K., 1957, Space and time spectra of stationary stochastic waves, with special reference to microtremors. Bull. Earthquake Res. Inst. Univ. Tokyo, 35, 415–456.
2. 青木 滋, 1969, 東京低地の第四紀層について．シンポジウム「海岸平野」世話人会編, 海岸平野, 日本地質学会, 15–20. ［Aoki, S., 1969, On the Quaternary in the Tokyo Lowland., In The Organizer of the Symposium “Coastal Plain.,” eds., Coastal Plain, Geol. Soc. Japan, 15–20.］ English translation from the original written Japanese.
3. Bendat, J. S. and Piersol, A. G., 2010, Random Data: Analysis and Measurement Procedures（4th ed.）, Wiley, 604p.
4. Blatt, H., Middleton, G. and Murray, R., 1980, Origin of Sedimentary Rocks 2nd ed. Prentice-Hall, New Jersey, 782p.
5. 物理探査学会標準化検討委員会, 2008, 物理探査適用の手引き：土木物理探査マニュアル2008．物理探査学会, 540p. ［Standardization Review Committee, Geophysical Exploration Society of Japan, 2008, Geophysical Survey Application Guide: Civil Engineering Geophysical Survey Manual. Geophys. Explor. Soc. Japan, 540p.］ English translation from the original written Japanese.