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\bibitem{Griffin_etal2020} {\textquotedblleft}\textit{Proton and Li-Ion permeation through graphene with eight-atom-ring defects}{\textquotedblright}. Griffin E, Mogg L, Hao G-P, Kalon G, Bacaksiz C, Lopez-Polin G, Zhou TY, Guarochico V, Cai J, Neumann C, Winter A, Mohn M, Lee JH, Lin J, Kaiser U, Grigorieva I V, Suenaga K, Ozyilmaz B, Cheng H-M, Ren W, Turchanin A, Peeters FM, Geim AK, Lozada-Hidalgo M, Acs Nano \textbf{14}, 7280 (2020).   http://doi.org/10.1021/ACSNANO.0C02496

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