@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} }