@Article{acp-20-15969-2020,
AUTHOR = {Chen, Y. and Ma, Q. and Lin, W. and Xu, X. and Yao, J. and Gao, W.},
TITLE = {Measurement report: Long-term variations in carbon monoxide at a background
station in China's Yangtze River Delta region},
JOURNAL = {Atmospheric Chemistry and Physics},
VOLUME = {20},
YEAR = {2020},
NUMBER = {24},
PAGES = {15969--15982},
URL = {https://acp.copernicus.org/articles/20/15969/2020/},
DOI = {10.5194/acp-20-15969-2020}
}