1. Lignins-Occurrence, Formation, Structure and Reaction;Sarkanen,1971
2. Methods in Lignin Chemistry;Lin,1992
3. Pulping Procrsse;Rydhohn,1965
4. Pulp Bleaching-Principles and Practice;Dence,1996
5. Lignin Biodegradation: Microbiology, Chemistry and Potential Applications;Kirk,1980