1. S. G. Traynor in Chemistry of Turpentine, chapter 8, in Naval Stores, Production Chemistry, Utilization (Ed.: , Pulp Chemicals Association, New York, 1989 .
2. H. G. Arlt in Polyterpene Resins, chapter 13, in Naval Stores, Production Chemistry, Utilization (Ed.: ), New York, 1989 .
3. , US Patent 4231369, 1978 (Cl. 604/336).
4. BR Patent 86 01,939, 06 Jan 1987 (Cl. CO9J3/12).
5. , PCT Int. Appl. WO 87 02 ,369, 23 Apr 1987 (Cl. CO8F8/30).