1. (1) Pikovsky, A., Rosenblum, M., and Kurths, J., “Synchronization”, (2001), pp.1-7, Cambridge University Press.
2. (2) Strogatz, S., “SYNC”, (2003), pp.171-175, Penguin Books.
3. (3) Fujino, Y., Pacheco, B., M., Nakamura, S., and Warnitchai, P., “Synchronization of Human Walking Observed During Lateral Vibration of a Congested Pedestrian Bridge”, Earthquake Engineering and Structural dynamics, Vol.22(1993), pp.741-758.
4. (4) 宇津野秀夫,井辻隆志,松久寛,朴正圭, "歩行面の横揺れと歩行リズムの同期現象", 日本機械学会D&D2004 CD-ROM論文集,(2004), 713.
5. Synchronized Phenomena of Oscillators. (Experimental and Analytical Investigation for Two Metronomes).