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\bibitem{Kleshch_etal2021} {\textquotedblleft}\textit{Carbon single-electron point source controlled by Coulomb blockade}{\textquotedblright}. Kleshch VI, Porshyn V, Orekhov AS, Orekhov AS, L{\"u}tzenkirchen-Hecht D, Obraztsov AN, Carbon \textbf{171}, 154 (2021).   http://doi.org/10.1016/j.carbon.2020.09.008

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