TY - JOUR A1 - Zhao, X. J. A1 - Zhao, P. S. A1 - Xu, J. A1 - Meng,, W. A1 - Pu, W. W. A1 - Dong, F. A1 - He, D. A1 - Shi, Q. F. T1 - Analysis of a winter regional haze event and its formation mechanism in the North China Plain JO - Atmos. Chem. Phys. J1 - ACP VL - 13 IS - 11 SP - 5685 EP - 5696 Y1 - 2013/06/13 PB - Copernicus Publications SN - 1680-7324 UR - https://acp.copernicus.org/articles/13/5685/2013/ L1 - https://acp.copernicus.org/articles/13/5685/2013/acp-13-5685-2013.pdf DO - 10.5194/acp-13-5685-2013 ER -