http://www.vocabularyserver.com/gemet/en/ GEMET Thesaurus EIONET EIONET 1998-12-31 en 2011-04-14 11:56:14 symbiosis 2011-04-14 11:56:14http://www.vocabularyserver.com/gemet/en/xml.php?skosTema=664http://www.vocabularyserver.com/gemet/en/xml.php?skosTema=5465http://www.vocabularyserver.com/gemet/en/xml.php?skosTema=819