@Article{acp-22-5495-2022,
AUTHOR = {Zhang, H. and Li, N. and Tang, K. and Liao, H. and Shi, C. and Huang, C. and Wang, H. and Guo, S. and Hu, M. and Ge, X. and Chen, M. and Liu, Z. and Yu, H. and Hu, J.},
TITLE = {Estimation of secondary PM$_{2.5}$ in China and the United States using a multi-tracer approach},
JOURNAL = {Atmospheric Chemistry and Physics},
VOLUME = {22},
YEAR = {2022},
NUMBER = {8},
PAGES = {5495--5514},
URL = {https://acp.copernicus.org/articles/22/5495/2022/},
DOI = {10.5194/acp-22-5495-2022}
}