CONCEPTShttp://cat.aii.caas.cn/concept/25910cat.aii.caas.cnhttp://eurovoc.europa.eu/1632eurovoc.europa.euhttp://lod.gesis.org/thesoz/concept/10035406lod.gesis.orghttp://lod.nal.usda.gov/nalt/682lod.nal.usda.govhttp://stitch.cs.vu.nl/vocabularies/rameau/ark:/12148/cb11930876xstitch.cs.vu.nlhttp://zbw.eu/stw/descriptor/17990-1zbw.eu。