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\bibitem{Grodzinska_etal2011} {\textquotedblleft}\textit{Two-fold emission from the S-shell of PbSe/CdSe core/shell quantum dots}{\textquotedblright}. Grodzi{\'n}ska D, Evers WH, Dorland R, van Rijssel J, van Huis MA, Meijerink A, de Mello Doneg{\'a} C, Vanmaekelbergh D, Small \textbf{7}, 3493 (2011).   http://doi.org/10.1002/smll.201101819

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