Pdel, S. ., Lees, J. ., , Prencipe, E. ., , Tico, G. ., … BABAR, C. . (2011). Observation of the decay B- → D(s)((*)+) K- ℓ- ν(ℓ). Physical Review Letters, 107(4), 041804. Retrieved from http://link.aps.org/abstract/PRL/v107/p041804 (Original work published)