TY - JOUR A1 - Meng, Z. Y. A1 - Xu, X. B. A1 - Yan, P. A1 - Ding, G. A. A1 - Tang, J. A1 - Lin, W. L. A1 - Xu, X. D. A1 - Wang, S. F. T1 - Characteristics of trace gaseous pollutants at a regional background station in Northern China JO - Atmos. Chem. Phys. J1 - ACP VL - 9 IS - 3 SP - 927 EP - 936 Y1 - 2009/02/05 PB - Copernicus Publications SN - 1680-7324 UR - https://acp.copernicus.org/articles/9/927/2009/ L1 - https://acp.copernicus.org/articles/9/927/2009/acp-9-927-2009.pdf DO - 10.5194/acp-9-927-2009 ER -