@data{10.12072/ncdc.SDZRAW.db0005.2021,
title = {Ozone daily data set of  Beijing Shangdianzi atmosphere  watch station 2018},
author = {Shi Qingfeng and Ma Zhiqiang},
url = {http://www.ncdc.ac.cn/portal/metadata/376ec364-9164-487b-84a7-d6ce9c1f2a50},
cstr = {11738.11.ncdc.SDZRAW.2020.22},
doi = {10.12072/ncdc.SDZRAW.db0005.2021},
journal = {National Cryosphere Desert Data Center},
publisher = {National Cryosphere Desert Data Center(www.ncdc.ac.cn)}
}