1. and , “Foam Extrusion of Polyethylene Tezephthalate,” in Foam Extrusion: Principles and Practice, Ed., Technomic, Lancaster, PA,Chapter 12 ( 2000).
2. in Handbook of Thermoplastic Polyesters, Ed., Wiley-VCH, Weinheim, 815 ( 2002).
3. and , “Material Properties Affecting Extrusion Foaming,” in Polymeric Foams: Mechanism and Materials, ed., CRC Press, New York,Chapter 4 ( 2004).
4. Melt viscoelasticity of polyethylene terephthalate resins for low density extrusion foaming