1. Institute of Chemical Industry of Forestry Products, CAF; Key Lab. of Biomass Energy and Material, Jiangsu Province, National Engineering Lab. for Biomass Chemical Utilization, Key and Lab. on Forest Chemical Engineering; SFA Nanjing 210042 China
2. USDA Forest Service; Southern Forest Experiment Station; Pineville Los Angeles 71360
3. School of Renewable Natural Resources; Louisiana State University Agricultural Center; Baton Rouge Los Angeles 70803