S. Bettoni, M. Aiba, B. Beutner, M. Pedrozzi, E. Prat, S. Reiche, and T. Schietinger,
   "Low Slice Emittance Preservation in Bunch Compressors",
   presented at the 37th International Free Electron Laser Conference, Daejeon, Republic of Korea, August 2015, paper TUC03, unpublished.