1. Smook GA (1992) Handbook for pulp and paper technologists, 2nd edn. Angus Wilde Publications, Vancouver, pp 74–83
2. Hoyt CH, Goheen DW (1971) Polymeric products. In: Sarkanen KV, Ludwig CH (eds) Lignins. Wiley Interscience, New York, pp 846–857
3. Sano Y, Nakamura M, Shimamoto S (1990) Pulping of wood at atmospheric pressure. II. Pulping of birch wood with aqueous acetic acid containing a small amount of sulfuric acid. Mokuzai Gakkaishi 36:207–211
4. Kubo S, Uraki Y, Sano Y (1996) Thermomechanical analysis of isolated lignins. Holzforschung 50:144–150
5. Uraki Y, Kubo S, Nigo N, Sanoand Y, Sasaya T (1995) Preparation of carbon fibers from organosolv lignin obtained by aqueous acetic acid pulping. Holzforschung 49:343–350