@article {zhao2009modeling,
	title = {Modeling of ultrafine particle dispersion in indoor environments with an improved drift flux model},
	journal = {Journal of Aerosol Science},
	volume = {40},
	number = {1},
	year = {2009},
	pages = {29{\textendash}43},
	publisher = {Pergamon},
	author = {Zhao, Bin and Chen, Chun and Tan, Zhongchao}
}