1. 5) U.S. Weather Bureau : The Reliability of Areal Rainfall Determination, Hydrometeorological Report, No. 5, pp. 234-259, 1974.
2. 9) Krajewski, W, F., Rexroth, D, T., Morrissey, M, L : The Accuracy of the Area-Threshold Method: A Model-based Simulation Study, Journal of Applied Meteorology, Vol. 31, pp. 1396-1406, 1992.
3. 11) Maesaka, T., Maki, M., Iwanami, K., Tsuchiya, S., Kieda, K. and Hoshi A. : Operational Rainfall Estimation by X-band MP Radar Network in MLIT, Japan, Proceedings of 35th Conference on Radar Meteorology, September 26-30, Pittsburgh, USA, 142, 2011.