Druj, O. S., V. V. Yegorenkov, A. V. Shchagin, and V. B. Yuferov. “ELECTRON BEAM TRANSPORT IN DIELECTRIC TUBES”. East European Journal of Physics, Vol. 1, no. 1, Mar. 2014, pp. 70-73, doi:10.26565/2312-4334-2014-1-08.