Observations of filamentary structures near the vortex edge in the Arctic winter lower stratosphere - Kalicinsky, C.; Grooß, J. -U.; Stroh, F.; Riese, M.; Günther, G.; Ungermann, J.; Blank, J.; Höfer, S.; Hoffmann, L.; Knieling, P.; Olschewski, F.; Spang, R. (Atmospheric Chemistry and Physics, 2013)