A. Mak, F. Curbis, and S. Werin,
   "FEL Operation Modes of the MAX IV Short Pulse Facility",
   in Proc. 37th International Free Electron Laser Conference, Daejeon, Republic of Korea, August 2015, paper MOP083, pp. 241-245,
    ISBN: 978-3-95450-134-2,
    doi:10.18429/JACoW-FEL2015-MOP083,
    http://accelconf.web.cern.ch/AccelConf/FEL2015/papers/mop083.pdf, 2015.