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\bibitem{Nikolaev_etal2010} {\textquotedblleft}\textit{Molecular interaction energies and optimal configuration of a cubane dimer}{\textquotedblright}. Nikolaev AV, Verberck B, Ionova GV, International journal of quantum chemistry \textbf{110}, 1063 (2010).   http://doi.org/10.1002/qua.22073

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