@data{10.12072/ncdc.cgawbo.db2930.2023,
title = {Monthly mean value of carbon monoxide bottle sampling at Waliguan atmospheric background station, Qinghai Province, 1990-2014},
author = {Zhang Xiaochun},
url = {http://www.ncdc.ac.cn/portal/metadata/fce2b130-0d1c-11e6-af40-5cc5d45ad3ae},
cstr = {11738.11.ncdc.CGAWBO.2020.23},
doi = {10.12072/ncdc.cgawbo.db2930.2023},
journal = {National Cryosphere Desert Data Center},
publisher = {National Cryosphere Desert Data Center(www.ncdc.ac.cn)}
}