TY - JOUR A1 - Elzein, A. A1 - Dunmore, R. E. A1 - Ward, M. W. A1 - Hamilton, J. F. A1 - Lewis, A. C. T1 - Variability of polycyclic aromatic hydrocarbons and their oxidative derivatives in wintertime Beijing, China JO - Atmos. Chem. Phys. J1 - ACP VL - 19 IS - 13 SP - 8741 EP - 8758 Y1 - 2019/07/10 PB - Copernicus Publications SN - 1680-7324 UR - https://acp.copernicus.org/articles/19/8741/2019/ L1 - https://acp.copernicus.org/articles/19/8741/2019/acp-19-8741-2019.pdf DO - 10.5194/acp-19-8741-2019 ER -