skos:exactMatch |
https://vocabularyserver.com/cnr/ml/earth/en/xml.php?skosTema=90030
http://zbw.eu/stw/descriptor/11305-2
http://lod.nal.usda.gov/nalt/15601
http://eurovoc.europa.eu/82
http://lod.gesis.org/thesoz/concept/10036138
http://www.eionet.europa.eu/gemet/concept/9369
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