Spirchez, Cosmin, Aurel Lunguleasa, and Madalina Matei. “Particularities of Hollow-Core Briquettes Obtained Out of Spruce and Oak Wooden Waste”. Maderas. Ciencia y Tecnología 20, no. 1 (January 1, 2018): 139–152. Accessed July 22, 2024. https://revistas.ubiobio.cl/index.php/MCT/article/view/3016.