%0 Journal Article %T Enhanced NO x in 2006 linked to strong upper stratospheric Arctic vortex %A Randall, C. E. %A Harvey, V. L. %A Singleton, C. S. %A Bernath, P. F. %A Boone, C. D. %A Kozyra, J. U. %J Geophysical Research Letters %V 33 %N 18 %P n/a-n/a %@ 0094-8276 %D 2006-09-01 %I Wiley Subscription Services, Inc., A Wiley Company %~ DeepDyve