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\bibitem{Geuchies_etal2016} {\textquotedblleft}\textit{In situ study of the formation mechanism of two-dimensional superlattices from PbSe nanocrystals}{\textquotedblright}. Geuchies JJ, van Overbeek C, Evers WH, Goris B, de Backer A, Gantapara AP, Rabouw FT, Hilhorst J, Peters JL, Konovalov O, Petukhov AV, Dijkstra M, Siebbeles LDA, van Aert S, Bals S, Vanmaekelbergh D, Nature materials \textbf{15}, 1248 (2016).   http://doi.org/10.1038/nmat4746

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