PURIFICATION AND PROPERTIES OF POLYPHENOLOXIDASE ISOZYMES FROM BARK OF POPULUS DELTOIDES I 69
Ji Kungshu Lu Xianhui
JOURNAL OF NANJING FORESTRY UNIVERSITY . 1991, (02): 16 -21 .  DOI: 10.3969/j.jssn.1000-2006.1991.02.004