@article{Salmi_2011, doi = {10.5194/acp-11-4645-2011}, url = {https://doi.org/10.5194%2Facp-11-4645-2011}, year = 2011, month = {may}, publisher = {Copernicus {GmbH}}, volume = {11}, number = {10}, pages = {4645--4655}, author = {S.-M. Salmi and P. T. Verronen and L. Thölix and E. Kyrölä and L. Backman and A. Yu. Karpechko and A. Seppälä}, title = {Mesosphere-to-stratosphere descent of odd nitrogen in February{\textendash}March 2009 after sudden stratospheric warming}, journal = {Atmospheric Chemistry and Physics} }