@Article{acpd-8-11321-2008, AUTHOR = {Wehner, B. and Birmili, W. and Ditas, F. and Wu, Z. and Hu, M. and Liu, X. and Mao, J. and Sugimoto, N. and Wiedensohler, A.}, TITLE = {Relationships between submicrometer particulate air pollution and air mass history in Beijing, China, 2004–2006}, JOURNAL = {Atmospheric Chemistry and Physics Discussions}, VOLUME = {8}, YEAR = {2008}, NUMBER = {3}, PAGES = {11321--11362}, URL = {http://www.atmos-chem-phys-discuss.net/8/11321/2008/}, ISSN = {1680-7367} }