http://www.vocabularyserver.com/gemet/en/ GEMET Thesaurus EIONET EIONET 1998-12-31 en 2011-04-14 11:56:02 nuclear fuel 2011-04-14 11:56:02http://www.vocabularyserver.com/gemet/en/xml.php?skosTema=3505http://www.vocabularyserver.com/gemet/en/xml.php?skosTema=2758http://www.vocabularyserver.com/gemet/en/xml.php?skosTema=5727http://www.vocabularyserver.com/gemet/en/xml.php?skosTema=5742