Investigation of thermal properties of gadolinium doped carbon nanotubes oleh R.G. Abaszade, E.M. Aliyev, A.G. Mammadov, E.A. Khanmamadova, A.A. Guliyev, F.G. Aliyev, R.I. Zapukhlyak, H.F. Budak, A.E. Kasapoglu, T.O. Margitych, A. Singh, S. Arya, E. Gür, M.O. Stetsenko