@article {20645,
	title = {Reconstructed ambient light extinction coefficient and its contribution factors in Beijing in January, 2010},
	journal = {Environmental Science},
	volume = {33},
	year = {2012},
	pages = {13-19},
	author = {Zhu, L. H. and J. Tao and Chen, Z. M. and Y. Zhao and R.J. Zhang and Cao, J. J.}
}
