http://www.vocabularyserver.com/gemet/en/ GEMET Thesaurus EIONET EIONET 1998-12-31 en 2011-04-14 11:56:10 safety rule 2011-04-14 11:56:10http://www.vocabularyserver.com/gemet/en/xml.php?skosTema=7362http://www.vocabularyserver.com/gemet/en/xml.php?skosTema=11433http://www.vocabularyserver.com/gemet/en/xml.php?skosTema=7367