Bittner, M., L. Küchelbacher, C. Schmidt, S. Wüst, S. E. Holmen, P. Espy, and P. Ammosov, Impact of the stratospheric warming 2012/2013 on the upper mesosphere, poster presentation, 6th meeting Network for the Detection of Mesospheric Change (NDMC), Grainau, Germany, 19-22 May, 2014