Pathak, P and Wani, S P and Singh, P and Sudi, R and Srinivasa Rao, Ch  (2002) Hydrological Characterization of Benchmark Agricultural Watersheds in India, Thailand, and Vietnam. Global Theme 3: Water, Soil, and Agrobiodiversity Management for Ecosystem Health Report no. 2.  Monograph. International Crops Research Institute for the Semi-Arid Tropics , Patancheru, Andhra Pradesh, India.