Yu, Xian-Chun, De-Lin Sun, and Xiang-Su Li. “Preparation of Levulinic Acid Using Cellulase and Solid Acid Synergistic Hydrolysis for Rice Straw”. Asian Journal of Chemistry 22, no. 9 (July 9, 2010): 7113–7122. Accessed July 4, 2024. https://asianpubs.org/index.php/ajchem/article/view/11959.