1. Polymer product failure;Lewis;Rapra Review Reports,2000
2. ‘Environmental Stress Cracking’;Wright,1996
3. Weathering of polymers;Halliwell;Rapra Review Reports,1992
4. Long-term and accelerated ageing tests on rubbers;Brown;Rapra Review Reports,2000
5. ‘Natural Ageing of Rubber – Changes in Physical Properties Over 40 Years’;Brown,2000