Krajewski, Witold F., Bertrand Vignal, Bong-Chul Seo, and Gabriele Villarini. 2011. “Statistical Model of the Range-Dependent Error in Radar-Rainfall Estimates Due to the Vertical Profile of Reflectivity”. Journal of Hydrology 402: 306–316. doi:10.1016/j.jhydrol.2011.03.024.