Hu, Wengang, and Hui Wan. “Comparative Study on Weathering Durability Property of Phenol Formaldehyde Resin Modified Sweetgum and Southern Pine Specimens”. Maderas-Cienc Tecnol 24 (December 28, 2021): 1–14. Accessed April 18, 2024. https://revistas.ubiobio.cl/index.php/MCT/article/view/5160.