|
J. Branlard et al., “The European XFEL LLRF System”, in Proc. 3rd Int. Particle Accelerator Conf. (IPAC'12), New Orleans, LA, USA, May 2012, paper MOOAC01, pp. 55-57. |
|
Ch. Schmidt et al., “Recent Developments of the European XFEL LLRF System”, in Proc. 4th Int. Particle Accelerator Conf. (IPAC'13), Shanghai, China, May 2013, paper WEPME009, pp. 2941-2943. |