1. Excessive use of groundwater resources in Saudi Arabia: Impacts and policy options;Al-Ibrahim;Ambio,1991
2. Patterns of change in the carbon balance of organic soil-wetlands of the temperate zone;Armentano;J. Ecol.,1986
3. Aquifer overexploitation in the Po Plain: Hydrogeological, geotechnical, and hydrochemical aspects;Beretta,1992
4. Land-use and hydrology in warm humid regions: Where do we stand?;Bruijnzeel,1993
5. Predicting the hydrological impacts of land cover transformations in the humid tropics: The need for integrated research;Brujinzeel,1996