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\bibitem{Kato_etal1999} {\textquotedblleft}\textit{The remote plasmon polaron}{\textquotedblright}. Kato H, Peeters FM, Ulloa SE, Europhysics letters \textbf{45}, 235 (1999).   http://doi.org/10.1209/epl/i1999-00152-9

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