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\bibitem{Geim_etal1998} {\textquotedblleft}\textit{Mesoscopic superconductors as {\textquoteright}artificial atoms{\textquoteright} made from Cooper pairs}{\textquotedblright}. Geim AK, Grigorieva IV, Dubonos SV, Lok JGS, Maan JC, Filippov AE, Peeters FM, Deo PS, Physica: B : condensed matter \textbf{249/251}, 445 (1998)

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