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\bibitem{Deo_etal1997} {\textquotedblleft}\textit{Magnetization of mesoscopic superconducting discs}{\textquotedblright}. Deo PS, Schweigert VA, Peeters FM, Geim AK, Physical review letters \textbf{79}, 4653 (1997).   http://doi.org/10.1103/PhysRevLett.79.4653

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