Denitrification and mixing in the 1994/1995 arctic vortex - MIPAS-B observations and modelling - Oelhaf, H.; Wetzel, G.; Raff, D.; Stowasser, M.; Ruhnke, R.; Friedl-Vallon, F.; Kouker, W.; Maucher, G.; Seefeldner, M.; Trieschmann, O.; Clarmann, T. von; Fischer, H.; et al. (2000)