skos:exactMatch |
https://vocabularyserver.com/cnr/ml/earth/en/xml.php?skosTema=87390
http://eurovoc.europa.eu/2836
http://www.eionet.europa.eu/gemet/concept/1740
http://lod.nal.usda.gov/nalt/28679
http://zbw.eu/stw/descriptor/16485-5
http://d-nb.info/gnd/4117338-7
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