| skos:exactMatch |
http://vocabularies.unesco.org/thesaurus/concept5660
http://www.eionet.europa.eu/gemet/concept/2300
https://vocabularyserver.com/cnr/ml/earth/en/xml.php?skosTema=54130
http://eurovoc.europa.eu/10
http://d-nb.info/gnd/4145575-7
http://lod.nal.usda.gov/nalt/34348
|