Roling, L. Samoylova, A. Buzmakov, U. Zastrau, K. Appel, M.V. Yurkov, E. Schneidmiller, F. Siewert, and H. Zacharias "Simulating wavefront propagation for a beam line with split-and-delay unit and compund refractive lenses at the European X-ray Free Electron Laser" // In press ...