TY - JOUR A1 - Chen, W. T. A1 - Shao, M. A1 - Lu, S. H. A1 - Wang, M. A1 - Zeng, L. M. A1 - Yuan, B. A1 - Liu, Y. T1 - Understanding primary and secondary sources of ambient carbonyl compounds in Beijing using the PMF model JO - Atmos. Chem. Phys. J1 - ACP VL - 14 IS - 6 SP - 3047 EP - 3062 Y1 - 2014/03/26 PB - Copernicus Publications SN - 1680-7324 UR - https://acp.copernicus.org/articles/14/3047/2014/ L1 - https://acp.copernicus.org/articles/14/3047/2014/acp-14-3047-2014.pdf DO - 10.5194/acp-14-3047-2014 ER -