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\bibitem{Gielis_etal2021} {\textquotedblleft}\textit{The M{\"o}bius phenomenon in Generalized M{\"o}bius-Listing surfaces and bodies, and Arnold{\textquoteright}s Cat phenomenon}{\textquotedblright}. Gielis J, Ricci PE, Tavkhelidze I, Advanced Studies : Euro-Tbilisi Mathematical Journal \textbf{14}, 17 (2021).   http://doi.org/10.3251/ASETMJ/1932200812

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