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\bibitem{Sun_etal2021} {\textquotedblleft}\textit{Exponentially selective molecular sieving through angstrom pores}{\textquotedblright}. Sun PZ, Yagmurcukardes M, Zhang R, Kuang WJ, Lozada-Hidalgo M, Liu BL, Cheng H-M, Wang FC, Peeters FM, Grigorieva IV, Geim AK, Nature Communications \textbf{12}, 7170 (2021).   http://doi.org/10.1038/S41467-021-27347-9

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