@Article{acp-11-11023-2011,
AUTHOR = {Gunthe, S. S. and Rose, D. and Su, H. and Garland, R. M. and Achtert, P. and Nowak, A. and Wiedensohler, A. and Kuwata, M. and Takegawa, N. and Kondo, Y. and Hu, M. and Shao, M. and Zhu, T. and Andreae, M. O. and P\"oschl, U.},
TITLE = {Cloud condensation nuclei (CCN) from fresh and aged air pollution in the megacity   region of Beijing},
JOURNAL = {Atmospheric Chemistry and Physics},
VOLUME = {11},
YEAR = {2011},
NUMBER = {21},
PAGES = {11023--11039},
URL = {http://www.atmos-chem-phys.net/11/11023/2011/},
DOI = {10.5194/acp-11-11023-2011}
}