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\bibitem{Apolinario_etal2005} {\textquotedblleft}\textit{Structure and spectrum of anisotropically confined two-dimensional clusters with logarithmic interaction}{\textquotedblright}. Apolinario SWS, Partoens B, Peeters FM, Physical review : E : statistical physics, plasmas, fluids, and related interdisciplinary topics \textbf{72}, 046122 (2005).   http://doi.org/10.1103/PhysRevE.72.046122

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