@article {liu2019quantifying,
	title = {Quantifying PM2. 5 mass concentration and particle radius using satellite data and an optical-mass conversion algorithm},
	journal = {ISPRS Journal of Photogrammetry and Remote Sensing},
	volume = {158},
	year = {2019},
	pages = {90{\textendash}98},
	publisher = {Elsevier},
	author = {Liu, Ming and Zhou, Gaoxiang and Saari, Rebecca K and Li, Sabrina and Liu, Xiangnan and Li, Jonathan}
}