Yamada, T., Tokunaga, Y. and Nonaka, H. (2025) “Fractionation of Softwood Lignin and Polysaccharides By n-Butanol/Maleic Acid Two-Solvent Process”, BioResources, 20(4), pp. 9653–9666. Available at: https://ojs.bioresources.com/index.php/BRJ/article/view/24740 (Accessed: 8 January 2026).