@article {601226,
	title = {Variations and sources of ambient formaldehyde for the 2008 Beijing Olympic games},
	journal = {Atmospheric Environment},
	volume = {44},
	number = {21{\textendash}22},
	year = {2010},
	pages = {2632-2639},
	url = {https://www.sciencedirect.com/science/article/pii/S1352231010002724},
	author = {Li, Y. and M. Shao and S. Lu and C.-C. Chang and P. K. Dasgupta}
}
