2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/40596We review recent developments in QCD sum rule applications to semileptonic B->pi and D->pi transitions.7 pages, LaTeX, 4 figures. Talk presented by O.Y. at the Conference "Phenomenology-2000", Madison, Wisconsin, April 2000High Energy Physics - Phenomenologytext