2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/39650We discuss how new physics not encompassed within the STU oblique correction framework can be constrained from precision electroweak measurements via vertex corrections to Z-pole observables.2 pages, latex, style files included. Contribution by T.T. to the TMU-Yale Symposium on the Dynamics of Gauge Fields, Dec. 13-15, 1999High Energy Physics - Phenomenologytext