1. Theory of viscoelasticity;Christensen,1982
2. On linear theory of viscoelasticity;Gurtin;Arch Rational Mech Anal,1962
3. Creep and relaxation of nonlinear viscoelastic materials;Findley,1976
4. Nonlinear viscoelastic solids;Lockett,1975
5. Viscoelastic materials;Lakes,2009