1. Wood. Chemistry, Ultrastructure, Reactions;Fengel,1984
2. Wood Chemistry. Fundamentals and Applications;Sjöström,1993
3. Chemistry of lignin;Sakakibara,2001
4. Thioacidolysis;Rolando,1992
5. The DFRC method for lignin analysis. 6. A simple modification for identifying natural acetates on lignins;Ralph;J. Agr. Food Chem.,1998