1. Ali, S. A. and Tamura, A., Road traffic noise mitigation strategies in Greater Cairo, Egypt, Applied Acoustics, Vol.63 (2002), pp.1257-1265.
2. Cramer, H., Mathematical Methods of Statistics, Asian text ed. (1966), Princeton University Press.
3. Doob, A. N. and Gross, A. E., Status of frustrator as an inhibitor of horn-honking responses. Journal of Social Psychology, Vol.76 (1968), pp.213-218.
4. Economic and Social Council of United Nations, Proposal for amendments to Regulation No. 28 (Audible warning devices) (2014), ECE/TRANS/WP.29/GRB/2014/4.
5. Fujii, S., Social psychological approach of travel behavior. In: Modeling travel behavior (2002), Kitamura, R. and Morikawa, T. eds., pp.35-52, Gihodo shuppan (in Japanese).