1. ARAI, T. (1976): Water Balance of the Pond in Inokashira Park. Water Temperature Research, 20-3, 25-29. (J)
2. ARAI, T. (1979): Climatic Water Balance around Tokyo and the Influence of Urbanization on It. Bungakubu-Ronso, Rissho University, No. 65, 1-16. (J)
3. ARAI, T., S. SHINDO, A. ICHIKAWA and A. YOSHIKOSHI (1987a): Urban Hydrology, Kyoritsu-shuppan, Tokyo, 263 p. (J)
4. ARAI, T., H. FUJIWARA, A. FUNADA, M. AMEMIYA, Y. VEDA, H. OKADA and N. NAGANUMA (1987b): Contribution of Spring Water to the River Environment in Tokyo, Regional Studies, 28-2, 1-16. (JE)
5. ARAI, T., H. FUJIWARA, A. FUNADA, M. AMEMIYA, Y. VEDA, H. OKADA and N. NACANUMA (1987c): Present Condition of Spring Water of the Diluvial Upland in Tokyo. Geographical Review of Japan (Ser. A), 60-7, 481-484. (J)