%0 Journal Article %T Ambient Concentrations and Elemental Compositions of PM10and PM2.5in Four Chinese Cities %A Wei, F. %A Teng, E. %A Wu, G. %A Hu, W. %A Wilson, W. E. %A Chapman, R. S. %A Pau, J. C. %A Zhang, J. %A , %J Environmental Science & Technology %V 33 %N 23 %P 4188-4193 %@ 0013-936X %D 1999-12-01 %I American Chemical Society (ACS) %~ DeepDyve