Glassy dynamics in nanometer thin layers of polystyrene E.U. Mapesa, M. Erber, M. Tress, K.-J. Eichhorn, A. Serghei, B. Voit and F. Kremer Eur. Phys. J. Special Topics, 189 (2010) 173-180 Published online: 12 November 2010 DOI: 10.1140/epjst/e2010-01320-2