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\bibitem{Kuopanportti_etal2015} {\textquotedblleft}\textit{Ground-state multiquantum vortices in rotating two-species superfluids}{\textquotedblright}. Kuopanportti P, Orlova NV, Milo{\v s}evi{\'c} MV, Physical review : A : atomic, molecular and optical physics \textbf{91}, 043605 (2015).   http://doi.org/10.1103/PhysRevA.91.043605

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