@data{10.12072/ncdc.sdzraw.db6591.2024,
title = {Beijing Shangdianzi Atmospheric Background Station Sulfur Dioxide Daily Dataset (2019)},
author = {HOU Jinlong},
url = {http://www.ncdc.ac.cn/portal/metadata/4f31ede7-538c-40b3-804a-f8c0ba3b3c0b},
cstr = {11738.11.NCDC.SDZRAW.DB6591.2024},
doi = {10.12072/ncdc.sdzraw.db6591.2024},
journal = {National Cryosphere Desert Data Center},
publisher = {National Cryosphere Desert Data Center(www.ncdc.ac.cn)}
}