@article {24257,
	title = {Variations of ground-level O3and its precursors in Beijing in summertime between 2005 and 2011},
	journal = {Atmos. Chem. Phys.},
	volume = {14},
	year = {2014},
	pages = {6101},
	author = {Q. Zhang and Yuan, B. and Shao, M.* and X. Wang and Lu, S. and Lu, K. and M. Wang and L. Chen and Chang, C. C. and Liu, S. C.}
}
