http://www.vocabularyserver.com/gemet/en/ GEMET Thesaurus EIONET EIONET 1998-12-31 en 2011-04-14 11:55:38 biological monitoring 2011-04-14 11:55:38http://www.vocabularyserver.com/gemet/en/xml.php?skosTema=5346http://www.vocabularyserver.com/gemet/en/xml.php?skosTema=4196http://www.vocabularyserver.com/gemet/en/xml.php?skosTema=5056http://www.vocabularyserver.com/gemet/en/xml.php?skosTema=5057http://www.vocabularyserver.com/gemet/en/xml.php?skosTema=841