@Article{acp-12-2757-2012,
AUTHOR = {Tang, G. and Wang, Y. and Li, X. and Ji, D. and Hsu, S. and Gao, X.},
TITLE = {Spatial-temporal variations in surface ozone in Northern China as observed   during 2009–2010 and possible implications for future air quality control strategies},
JOURNAL = {Atmospheric Chemistry and Physics},
VOLUME = {12},
YEAR = {2012},
NUMBER = {5},
PAGES = {2757--2776},
URL = {http://www.atmos-chem-phys.net/12/2757/2012/},
DOI = {10.5194/acp-12-2757-2012}
}