TY - SER AU - Yilmazer, U. AU - Dey, S.K. AU - Xanthos, M. TI - Melt Viscoelasticity of Polyethylene Terephthalate Resins for Low Density Extrusion Foaming KW - Viscoelasticity KW - Polyethylene Terephthalate KW - Resin ER -