First observation of the decay B0s→K[ast]0K̄[ast]0* - Aaij, Roel; Bachmann, Sebastian; Bien, Alexander; Blouw, Johan; Dordei, Francesca; Eisele, Franz; Färber, Christian; Gersabeck, Evelina; Hansmann-Menzemer, Stephanie; Holubyev, Kostya; Jäger, Andreas; Kreplin, Katharina; et al. (Physics letters, 2012)