TY - JOUR A1 - He, X. A1 - Li, C. C. A1 - Lau, A. K. H. A1 - Deng, Z. Z. A1 - Mao, J. T. A1 - Wang, M. H. A1 - Liu, X. Y. T1 - An intensive study of aerosol optical properties in Beijing urban area JO - Atmos. Chem. Phys. J1 - ACP VL - 9 IS - 22 SP - 8903 EP - 8915 Y1 - 2009/11/26 PB - Copernicus Publications SN - 1680-7324 UR - http://www.atmos-chem-phys.net/9/8903/2009/ L1 - http://www.atmos-chem-phys.net/9/8903/2009/acp-9-8903-2009.pdf DO - 10.5194/acp-9-8903-2009 ER -