1. An Introduction to the Method of Characteristics;Abbot,1966
2. Airfield drainage investigation;Corps of Engineers,1954
3. Overland flow and groundwater flow from a steady rainfall of finite duration;Henderson;J. Geophys. Res.,1964
4. Overland flow tests — Tabulated hydrographs;Izzard,1942
5. Time of concentration of small agricultural watersheds;Kirpich;Civ. Eng. (N.Y.),1940