Structural Inhomogeneities and Nonlinear Phenomena in Charge Transfer under Cold Field Emission in Individual Closed Carbon Nanotubes oleh S. V. von Gratowski, Z. Ya. Kosakovskaya, V. V. Koledov, V. G. Shavrov, A. M. Smolovich, A. P. Orlov, R. N. Denisjuk, Cong Wang, Junge Liang