@data{10.12072/ncdc.NIEER.db0075.2020,
title = {1990年甘肃省1:70万土地覆被数据集},
author = {颜长珍 and 谢家丽},
url = {http://www.ncdc.ac.cn/portal/metadata/e0048812-1fc4-4ce6-8500-240be4770a3e},
cstr = {11738.11.ncdc.nieer.2020.1478},
doi = {10.12072/ncdc.NIEER.db0075.2020},
journal = {国家冰川冻土沙漠科学数据中心},
publisher = {国家冰川冻土沙漠科学数据中心(www.ncdc.ac.cn)}
}