XFEL AMTF operation completed: results and lessons learned Bednarski, M. ; Böckmann, T. ; Bozhko, Y. ; Escherich, K. ; Gaj, W. ; Halczynski, P. ; Petersen, B. ; Putselyk, S. ; Schnautz, T. ; Sienkiewicz, M. ; Swierblewski, J. ; Zhirnov, A. Abstract Publication: Materials Science and Engineering Conference Series Pub Date: February 2017 DOI: 10.1088/1757-899X/171/1/012099 Bibcode: 2017MS&E..171a2099B