text: * Lewis, Peter Rhys, Reynolds, K and Gagg, C, Forensic Materials Engineering: Case studies, CRC Press (2004)
  * Ezrin, Meyer, Plastics Failure Guide: Cause and Prevention, Hanser-SPE (1996).
  * Wright, David C., Environmental Stress Cracking of Plastics RAPRA (2001).
  * Lewis, Peter Rhys, and Gagg, C, Forensic Polymer Engineering: Why polymer products fail in service, Woodhead/CRC Press (2010).