Timo E. Leskinen Leskinen, T., Kelley, S. S., & Argyropoulos, D. S. (2015). Refining of Ethanol Biorefinery Residues to Isolate Value Added Lignins. ACS SUSTAINABLE CHEMISTRY & ENGINEERING, 3(7), 1632–1641. https://doi.org/10.1021/acssuschemeng.5b00337