O.A. Shevchenko, V.S. Arbuzov, K.N. Chernov, I.V. Davidyuk, E.N. Dementyev, B.A. Dovzhenko, \emph{et al.}, "First Lasing of the Third Stage of Novosibirsk FEL", in Proc. 37th International Free Electron Laser Conference, Daejeon, Republic of Korea, August 2015, paper MOA02, pp. 1-4, ISBN: 978-3-95450-134-2, doi:10.18429/JACoW-FEL2015-MOA02, http://accelconf.web.cern.ch/AccelConf/FEL2015/papers/moa02.pdf, 2015.