References

East Aegean River Basin Directorate - 02.11.2016
Ministry of Agriculture and Food - 16.08.2013
National Institute of Meteorology and Hydrology, BAS - 19.07.2013
Danube Region River Basin Directorate, Pleven - 09.07.2013
Ministry of Environment and Waters - 28.02.2013
Danube Region River Basin Directorate, Pleven - 13.03.2012
State Agency for Information Technology and Communications (at present Executive Agency Electronic Communication Networks and Information Systems) - 04.12.2008



















 
 
 
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