|
B. Faatz et al., “FLASH II: A Project Update”, in Proc. 33rd Int. Free Electron Laser Conf. (FEL'11), Shanghai, China, Aug. 2011, paper TUPA22, pp. 247-250. |
|
K. Honkavaara et al., “Status of the FLASH II Project”, in Proc. 34th Int. Free Electron Laser Conf. (FEL'12), Nara, Japan, Aug. 2012, paper WEPD07, pp. 381-384. |