@article{Li_2009,
	doi = {10.5194/acp-9-8531-2009},
	url = {https://doi.org/10.5194%2Facp-9-8531-2009},
	year = 2009,
	month = {nov},
	publisher = {Copernicus {GmbH}},
	volume = {9},
	number = {21},
	pages = {8531--8543},
	author = {Q. Li and P. I. Palmer and H. C. Pumphrey and P. Bernath and E. Mahieu},
	title = {What drives the observed variability of {HCN} in the troposphere and lower stratosphere?},
	journal = {Atmospheric Chemistry and Physics}
}