2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/45291Recent progress in determination of $|V_{cb}|$ within the heavy quark expansion is reported. Both exclusive and inclusive approaches are discussed.Talk at the 27th International Conference on High Energy Physics, Glasgow, 20-27 July 1994. Latex file, 6 pages, no figures, Report TPI-MINN-94/31-THigh Energy Physics - Phenomenology$|V_{cb}|$ from OPE Sum Rules for Heavy Flavor Transitionstext