Branching Fractions and CP Asymmetries in B[superscript 0]→K[superscript +]K[superscript -]K[subscript S][superscript 0] and B[superscript +]→K[superscript +]K[subscript S][superscript 0]K[subscript S][superscript 0]
Bernard Aubert, R. Barate, D. Boutigny, F. Couderc et autres