CONCEPTShttp://cat.aii.caas.cn/concept/32411cat.aii.caas.cnhttp://eurovoc.europa.eu/912eurovoc.europa.euhttp://lod.gesis.org/thesoz/concept/10042884lod.gesis.orghttp://stitch.cs.vu.nl/vocabularies/rameau/ark:/12148/cb11931306mstitch.cs.vu.nlhttp://zbw.eu/stw/descriptor/17016-0zbw.eu。