Lazăr, S. ., D. . Dobrotă, F. C. . Ciofu, and A. . Stoica. “Sheep-Wool-Fiber-Reinforced Rigid Polyurethane Composites: Comparative Effects of Alkaline, Oxidative, and APTES Treatments”. Journal of Composites and Biodegradable Polymers, vol. 14, Sept. 2026, pp. 127-41, doi:10.12974/2311-8717.2026.14.11.