http://www.vocabularyserver.com/gemet/en/ GEMET Thesaurus EIONET EIONET 1998-12-31 en 2011-04-14 11:56:26 mineral oil 2011-04-14 11:56:26http://www.vocabularyserver.com/gemet/en/xml.php?skosTema=4934http://www.vocabularyserver.com/gemet/en/xml.php?skosTema=6161