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\bibitem{Abreu_etal2014} {\textquotedblleft}\textit{Hyperfine electric parameters calculation in Si samples implanted with $^{57}$Mn\rightarrow$^{57}$Fe}{\textquotedblright}. Abreu Y, Cruz CM, Pinera I, Leyva A, Cabal AE, van Espen P, Van Remortel N, Physica: B : condensed matter \textbf{445}, 1 (2014).   http://doi.org/10.1016/J.PHYSB.2014.03.028

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