CONCEPTShttp://cat.aii.caas.cn/concept/12401cat.aii.caas.cnhttp://cat.aii.caas.cn/concept/55174cat.aii.caas.cnhttp://id.loc.gov/authorities/subjects/sh85145417id.loc.govhttp://linkeddata.ge.imati.cnr.it:2020/resource/EARTh/70750linkeddata.ge.imati.cnr.ithttp://www.eionet.europa.eu/gemet/concept/9085www.eionet.europa.eu。