2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/147905We explore the possibility of embedding supersymmetric GUT texture ideas into superstring models. We discuss the construction of GUT models using free fermionic strings. We find SO(10) models with adjoint scalars, three generations of chiral fermions, and a fundamental Higgs with a Yukawa coupling to only the third generation.LaTeX, 14 pages, FERMILAB-PUB-94/137-T. (references and ITP preprint number added)High Energy Physics - PhenomenologyHigh Energy Physics - Theorytext