CONCEPTShttp://cat.aii.caas.cn/concept/51779cat.aii.caas.cnhttp://d-nb.info/gnd/4003217-6d-nb.infohttp://eurovoc.europa.eu/2838eurovoc.europa.euhttp://lod.nal.usda.gov/nalt/12923lod.nal.usda.govhttp://stitch.cs.vu.nl/vocabularies/rameau/ark:/12148/cb119765364stitch.cs.vu.nlhttp://www.eionet.europa.eu/gemet/concept/598www.eionet.europa.euhttp://www.fao.org/countryprofiles/geoinfo/geopolitical/resource/Asiawww.fao.orghttp://zbw.eu/stw/descriptor/17553-2zbw.eu。