@Article{acp-17-1775-2017,
AUTHOR = {van der A, R. J. and Mijling, B. and Ding, J. and Koukouli, M. E. and Liu, F. and Li, Q. and Mao, H. and Theys, N.},
TITLE = {Cleaning up the air: effectiveness of air quality policy for SO$_{2}$ and
NO$_{x}$ emissions in China},
JOURNAL = {Atmospheric Chemistry and Physics},
VOLUME = {17},
YEAR = {2017},
NUMBER = {3},
PAGES = {1775--1789},
URL = {https://acp.copernicus.org/articles/17/1775/2017/},
DOI = {10.5194/acp-17-1775-2017}
}