1. Allen RG, Pereira LS, Raes D, Smith M (1998) Crop evapotranspiration: guidelines for computing crop water requirements. Irrigation and drainage paper 56, FAO, Rome
2. Bastiaanssen WGM, Menenti M, Feddes RA, Holtslag AAM (1998) A remote sensing surface energy balance algorithm for land (SEBAL): formulation. J Hydrol 212:198–212
3. Foster S, Chilton J, Moench M, Cardy F, Schiffler M (2000) Groundwater in rural development: facing the challenges of supply and resource sustainability. Technical paper 463, World Bank, Washington, DC, 98 pp
4. Foster S, Tuinhof A, Kemper K, Garduno H, Nanni M (2002) Groundwater management strategies: facets of the integrated approach. GW-MATE Case Profile 3, World Bank, Washington, DC. www.worldbank.org/gwmate . Cited May 2009
5. Foster S, Perry C, Hirata R, Garduno H (2009) Groundwater resource accounting: critical for effective management in a ‘changing world’. GW-MATE Case Profile 16. World Bank, Washington, DC. www.worldbank.org/gwmate . Cited June 2009