@Article{acpd-15-11111-2015,
AUTHOR = {Han, B. and Zhang, R. and Yang, W. and Bai, Z. and Ma, Z. and Zhang, W.},
TITLE = {Heavy air pollution episodes in Beijing during January~2013: inorganic ion chemistry and source analysis using Highly Time-Resolved Measurements in an urban site},
JOURNAL = {Atmospheric Chemistry and Physics Discussions},
VOLUME = {15},
YEAR = {2015},
PAGES = {11111--11141},
URL = {https://acp.copernicus.org/preprints/15/11111/2015/},
DOI = {10.5194/acpd-15-11111-2015}
}