1. The Phenomenological Theory of Linear Viscoelastic Behavior (Springer-Verlag, Berlin, 1989).
2. Viscoelastic Properties of Polymers, third ed. (John Wiley & Sons, Inc., New York, 1980).
3. Fractional Differential Equations, Mathematics in Science and Engineering Vol. 198 (Academic Press, San Diego, 1999).
4. Power law and fractional calculus model of viscoelasticity