http://www.vocabularyserver.com/gemet/el/ GEMET Thesaurus EIONET EIONET 0000-00-00 el 2011-04-14 11:45:29 βιολογική μόλυνση 2011-04-14 11:45:29http://www.vocabularyserver.com/gemet/el/xml.php?skosTema=1752http://www.vocabularyserver.com/gemet/el/xml.php?skosTema=11639http://www.vocabularyserver.com/gemet/el/xml.php?skosTema=866