http://www.vocabularyserver.com/gemet/en/ GEMET Thesaurus EIONET EIONET 1998-12-31 en 2011-04-14 11:55:39 building technology 2011-04-14 11:55:39http://www.vocabularyserver.com/gemet/en/xml.php?skosTema=1728http://www.vocabularyserver.com/gemet/en/xml.php?skosTema=1059http://www.vocabularyserver.com/gemet/en/xml.php?skosTema=1731