Nevado, Miguel A. Rz., et al. “The Percentiles Ratio 20th to 5th of Bending Strength and Stiffness Distribution in the Case of Spanish Softwoods”. Maderas. Ciencia Y Tecnología, vol. 17, no. 4, Nov. 2025, pp. 723-34, https://revistas.ubiobio.cl/index.php/MCT/article/view/2179.