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\bibitem{LHCbCollaborationAaij_etal2013} LHCb Collaboration(Aaij, R. et al), Oyanguren, A., \& Ruiz Valls, P. (2013). First observations of (B)over-bar(s)(0) -> D+D-, Ds+D- and D-0(D)over-bar(0) decays. \textit{Phys. Rev. D}, \textit{87}(9), 092007--12pp.

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