Radiation-induced damages in multi-walled carbon nanotubes at electron irradiation - T. M. Pinchuk-Rugal; O. P. Dmytrenko; M. P. Kulish; L. A. Bulavin; O. S. Nychyporenko; Yu. E. Grabovskyi; M. A. Zabolotnyi; V. V. Strelchuk; A. S. Nikolenko; V. V. Shlapatska; V. M. Tkach (Ukrainian journal of physics, 2015)