Wu, Yinglong, et al. “Deep Eutectic Solvent for Separation and Extraction of High Purity Lignin from Salix Babylonica and Its Characteristics”. BioResources, vol. 20, no. 3, June 2025, pp. 6887-99, https://ojs.bioresources.com/index.php/BRJ/article/view/24679.