INFLUENCE OF COMPONENTS (UV + VIS) OF SOLAR RADIATION ON THE COLOR CHANGE OF UNSTEAMED AND STEAMED BEECH WOOD. Innovation in Woodworking Industry and Engineering design, [S. l.], v. 11, n. 2, 2026. Disponível em: http://innojs.ltu.bg/index.php/scjournal-inno/article/view/287. Acesso em: 25 feb. 2026.