TY - JOUR A1 - Li, W. J. A1 - Shao, L. Y. A1 - Buseck, P. R. T1 - Haze types in Beijing and the influence of agricultural biomass burning JO - Atmos. Chem. Phys. J1 - ACP VL - 10 IS - 17 SP - 8119 EP - 8130 Y1 - 2010/09/01 PB - Copernicus Publications SN - 1680-7324 UR - http://www.atmos-chem-phys.net/10/8119/2010/ L1 - http://www.atmos-chem-phys.net/10/8119/2010/acp-10-8119-2010.pdf DO - 10.5194/acp-10-8119-2010 ER -