Ulay, G.; Akter, M.; Çakıcıer, N.; Peker, H.; Ayata, Ümit; Atılgan, A.; Çiftçi, S. The Effect of Weathering on Color and Glossiness Properties of Polyurethane-Modified Water-Based Varnish Layers Applied to Thermally Treated Ash Wood. BioRes 2025, 20, 7555-7573.