@Article{acp-10-7821-2010,
AUTHOR = {Zhang, Q. H. and Zhang, J. P. and Xue, H. W.},
TITLE = {The challenge of improving visibility in Beijing},
JOURNAL = {Atmospheric Chemistry and Physics},
VOLUME = {10},
YEAR = {2010},
NUMBER = {16},
PAGES = {7821--7827},
URL = {http://www.atmos-chem-phys.net/10/7821/2010/},
DOI = {10.5194/acp-10-7821-2010}
}