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\bibitem{Li_etal2022} {\textquotedblleft}\textit{Evidence that supertriangles exist in nature from the vertical projections of Koelreuteria paniculata fruit}{\textquotedblright}. Li Y, Quinn BK, Gielis J, Li Y, Shi P, Symmetry \textbf{14}, 23 (2022).   http://doi.org/10.3390/SYM14010023

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