The hadronic recoil mass spectrum in semileptonic B decays and extracting |Vub| in a model-insensitive way I. Bigi, R.D. Dikeman and N. UraltsevEur. Phys. J. C, 4 3 (1998) 453-461DOI: https://doi.org/epjc/v4/p453(epjc783)