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\bibitem{Martin_etal1991} {\textquotedblleft}\textit{Ab initio spectroscopy and thermochemistry of the BN molecule}{\textquotedblright}. Martin JML, Fran{\c c}ois JP, Gijbels R, Zeitschrift f{\"u}r Physik : D : atoms, molecules and clusters \textbf{21}, 47 (1991)

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