TY - GEN ED - Sri Lanka. Ministry of Irrigation and Water Management TI - Hydrological annual 2009/2010 PY - 0000///[n.d.] CY - Colombo PB - Hydrology Division, Irrigation Department KW - HYDOLOGY-SRI LANKA N1 - Hydrological data; Estimation of direct runoff and peak runoff rates in small un-gauged catchments ER -