@article {25632,
	title = {Chemical composition, sources, and aging process of submicron aerosols in Beijing: Contrast between summer and winter},
	journal = {J Geophys. Res.},
	volume = {121},
	year = {2016},
	pages = {1955-1977},
	author = {Hu, W. W. and Min* Hu and Hu, W. and Jimenez, J. L. and Yuan, B. and W.T. Chen and M. Wang and Y.S. Wu and C. Chen and Wang, Z. B.}
}
