D. S. Tai TAI, D. S., CHEN, C. L., CHANG, H. M., & TERAZAWA, M. (1990). LIGNIN BIODEGRADATION PRODUCTS FROM BIRCH WOOD BY PHANEROCHAETE-CHRYSOSPORIUM .1. FRACTIONATION OF METHANOL-EXTRACTIVE AND CHARACTERIZATION OF ETHER-INSOLUBLE LOW-MOLECULAR-WEIGHT FRACTION. HOLZFORSCHUNG, 44(3), 185–190. https://doi.org/10.1515/hfsg.1990.44.3.185 TAI, D., TERAZAWA, M., CHEN, C. L., & CHANG, H. (1990). LIGNIN BIODEGRADATION PRODUCTS FROM BIRCH WOOD DECAYED BY PHANEROCHAETE-CHRYSOSPORIUM .2. THE CONSTITUENTS OF ETHER-SOLUBLE LOW-MOLECULAR-WEIGHT FRACTIONS. HOLZFORSCHUNG, 44(4), 257–262. https://doi.org/10.1515/hfsg.1990.44.4.257