First observation of (B)over-bar -> D-(*)rho '(-), rho '(-)->omega pi(-) - Alexander, J; Bebek, C; Berger, B; Berkelman, K; Blanc, F; Boisvert, V; Cassel, D; Drell, P; Duboseq, J; Ecklund, K; Ehrlich, R; Gaidarev, P; et al. (2001)