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\bibitem{Shi_etal2018} {\textquotedblleft}\textit{Nature of the Positron State in CdSe Quantum Dots}{\textquotedblright}. Shi W, Callewaert V, Barbiellini B, Saniz R, Butterling M, Egger W, Dickmann M, Hugenschmidt C, Shakeri B, Meulenberg R W, Br{\"u}ck E, Partoens B, Bansil A, Eijt SW H, Physical review letters \textbf{121}, 057401 (2018).   http://doi.org/10.1103/PhysRevLett.121.057401

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