2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/45381Two first examples beyond the standard model are given which exhibit left-right symmetry (g_L = g_R) and supersymmetry at a few TeV, together with gauge-coupling unification at around 10^{16} GeV.7 pages (latex), 2nd of 2 talks given at the 7th Adriatic Meeting on Particle Physics, Brijuni, Croatia (September 1994)High Energy Physics - Phenomenologytext