Re-deposition of ITER-grade Be on plasma gun facility QSPA-Be: Characterization & plasma cleaning oleh A.M. Dmitriev, A.G. Razdobarin, L.A. Snigirev, D.I. Elets, I.M. Bukreev, N.A. Babinov, L.A. Varshavchik, E.E. Mukhin, D.S. Samsonov, S. Yu. Tolstyakov, An.P. Chernakov, D.V. Kovalenko, V.L. Pogkovyrov, A.D. Yaroshevskaya, V.A. Barsuk, I.B. Kupriyanov, V.L. Bukhovets, A.E. Gorodetsky, A.V. Markin, R.Kh. Zalavutdinov, I.A. Arkhipushkin, S.A. Krat, V.I. Polskij, A.F. Gurbich