@article {chao2019FESE,
	title = {The impacts of economic restructuring and technology upgrade on air quality and human health in Beijing-Tianjin-Hebei region in China},
	journal = {Frontiers of Environmental Science and Engineering},
	volume = {13},
	year = {2019},
	pages = {70},
	url = {https://link.springer.com/article/10.1007/s11783-019-1155-y},
	author = {Liu, Chao and Hancheng Dai* and Lin Zhang and Changchun Feng}
}
