skos:exactMatch |
http://metadata.un.org/thesaurus/1003331
https://vocabularyserver.com/cnr/ml/earth/en/xml.php?skosTema=77710
http://lod.gesis.org/thesoz/concept/10037331
http://zbw.eu/stw/descriptor/16441-4
http://www.eionet.europa.eu/gemet/concept/4438
http://eurovoc.europa.eu/3228
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