... Rheology, MIT, Cambridge, 1990. R. De le Garza, Measurementof Viscoelastic Properties by Dynamic Mechanical Analysis, Masters thesis, Univer-sity of Texas at Austin, 1994. R. Hagan, Polymer Testing, ... Ithaca, NY, 1953.5. R. Bird, C. Curtis, R. Armstrong, and O. Hassenger, Dynamics of Polymer Fluids,vol. 1 & 2, 2nd ed., Wiley, New York, 1987.6. J. D. Ferry, Viscoelastic Properties of ... Sircar et al., in Assignment of the Glass Transition, R. Seyler, Ed., ASTM,Philadelphia, 1994, 29 3. 2. This is a fairly serious concern of a lot of users in practice, though it does not getdiscussed...