1. AQUASTAT—FAO’s Information System on Water and Agriculturehttp://www.fao.org/nr/water/aquastat/water_use/index.stm
2. EEA Water Resources across Europe—Confronting Water Scarcity and Drought—European Environment Agencyhttps://www.eea.europa.eu/publications/water-resources-across-europe
3. Directive 2000/60/EC of the European Parliament and of the Council of 23 October 2000 Establishing a Framework for Community Action in the Field of Water Policy,2000
4. Introduction to the EU Water Framework Directive—Environment—European Commissionhttps://ec.europa.eu/environment/water/water-framework/info/intro_en.htm
5. European Overview—Second River Basin Management Plans 5th Implementation Report,2019