1. Adhesive Technology Hand book; Noyes Publishing: Park Ridge, NJ, 1985.
2. Polymer Adhesion; Elis Horwood Ltd: London, 1991, p 291.
3. Developments in Adhesives; Applied Science Publishers: London, UK, 1977.
4. Handbook of Adhesives; Reinhold Publishing: New York, 1962.
5. Mechanism for the action of tackifying resins in pressure-sensitive adhesives