@Article{acp-19-15339-2019,
AUTHOR = {Li, J. and Wang, Y.},
TITLE = {Inferring the anthropogenic \chem{NO_\mathit{x}} emission trend over the United States
during 2003--2017 from satellite observations: was there a flattening of
the emission trend after the Great Recession?},
JOURNAL = {Atmospheric Chemistry and Physics},
VOLUME = {19},
YEAR = {2019},
NUMBER = {24},
PAGES = {15339--15352},
URL = {https://acp.copernicus.org/articles/19/15339/2019/},
DOI = {10.5194/acp-19-15339-2019}
}