8Zhang Y H, Zhu X L, Slanina S, Shao M, Zeng L M, Hu M, Bergin M, Salmon L. Aerosol pollution in some Chinese cities. Pure Appl Chem, 2004, 76(6): 1227-1239.
9Shao M, Tang X Y, Zhang Y H, Li W J. City clusters in China: Air and surface water pollution. Front Ecol Environ, 2006, 4(7): 353-361
10Streets D G, Fu J S, Jang C J, Hao J M, He K B, Tang X Y, Zhang Y H, Wang Z F, Li Z P, Zhang Q, Wang L T, Wang B Y, Yu C. Air quality during the 2008 Beijing Olympic Games. Atmos Environ, 2007, 41:480-492
