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  Link   Уеб-портал Вода.бг
Уеб-портал с обширна информация, свързана с ВОДАТА: пречиствателни станции, хидротехнически съоръжения, нови технологии, закони, ведомс 		305
  Link   Web Portal "Water Area"
Web portal with comprehensive information related to water: water treatment plants, hydro facilities, new technologies, laws, institutions, research, water. Links provided by Irina Schneider. 		231
  Link   ARM of Danube
Agency for research and maintenance of the Danube 		177
 

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