Temperature-Modulated Calorimetry of Polymers with Single and Multiple Frequencies to Determine Heat Capacities as well as Reversible and Irreversible Transition Parameters, article, May 1, 2000; (https://digital.library.unt.edu/ark:/67531/metadc722113/m1/1/: accessed April 25, 2024), University of North Texas Libraries, UNT Digital Library, digital.library.unt.edu; .