@data{ced9391c-2f5c-41b2-a9bd-46a596988d43,
title = {China 1:250000 DEM database},
author = {},
url = {http://www.ncdc.ac.cn/portal/metadata/ced9391c-2f5c-41b2-a9bd-46a596988d43},
cstr = {11738.11.ncdc.nieer.2020.1334},
journal = {National Cryosphere Desert Data Center},
publisher = {National Cryosphere Desert Data Center(www.ncdc.ac.cn)}
}