2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/44947We review present Z' bounds, discuss future Z' constraints from TEVATRON, HERA and LEP, and give a brief review of the Z' diagnostics at future colliders.6 pg., UPR-0583-T, (Invited talk presented by F. del Aguila at the Workshop on Physics and Experiments with Linear e$^+$e$^-$ Colliders, Hawaii, April 1993.)High Energy Physics - Phenomenologytext