Nitrogen partitioning in the 1999 winter arctic vortex, measured by MIPAS-B - Stowasser, M.; Oelhaf, H.; Wetzel, G.; Fischer, H.; Friedl-Vallon, F.; Kleinert, A.; Lengel, A.; Maucher, G.; Nordmeyer, H.; Trieschmann, O.; Chipperfield, M. P. (2000)