YAMADA, Takumi; TOKUNAGA, Yuki; NONAKA, Hiroshi. Fractionation of Softwood Lignin and Polysaccharides By n-Butanol/Maleic Acid Two-Solvent Process. BioResources, [S. l.], v. 20, n. 4, p. 9653–9666, 2025. Disponível em: https://ojs.bioresources.com/index.php/BRJ/article/view/24740. Acesso em: 8 jan. 2026.