http://www.vocabularyserver.com/gemet/el/ GEMET Thesaurus EIONET EIONET 0000-00-00 el 2011-04-14 11:45:02 υδρολογική καταστροφή 2011-04-14 11:45:02http://www.vocabularyserver.com/gemet/el/xml.php?skosTema=5496http://www.vocabularyserver.com/gemet/el/xml.php?skosTema=12893