@article {CHENG20112060,
	title = {Ambient organic carbon to elemental carbon ratios: Influences of the measurement methods and implications},
	journal = {Atmospheric Environment},
	volume = {45},
	number = {12},
	year = {2011},
	pages = {2060 - 2066},
	keywords = {Water-soluble organic carbon},
	issn = {1352-2310},
	doi = {http://dx.doi.org/10.1016/j.atmosenv.2011.01.064},
	url = {http://www.sciencedirect.com/science/article/pii/S1352231011001051},
	author = {Yuan Cheng and Kebin* He and Fengkui Duan and Mei* Zheng and Zhenyu Du and Yongliang Ma and Jihua Tan}
}
