8Yele Sun,Guoshun Zhuang,Aohan Tang,Ying Wang,Zhisheng An.Chemical Characteristics of PM2.5 and PM10 in Haze?Fog Episodes in Beijing. Environmental Sciences . 2006
9John G Watson,Judith C Chow,James E Houck.PM 2.5 chemical source profiles for vehicle exhaust, vegetative burning, geological material, and coal burning in Northwestern Colorado during 1995[J].Chemosphere.2001(8)
10Hua-Yun Xiao,Cong-Qiang Liu.Chemical characteristics of water-soluble components in TSP over Guiyang, SW China, 2003[J]. Atmospheric Environment . 2004 (37)