1. Alexandrov, A.P. and Lazurkin, Y.S. (1939) Zhur. Tekh. Fiz.
9, 1250–1260
2. Leaderman, H. (1943) Elastic andd Creep Properties of Filamentous Materials and Other High Polymers, The Textile Foundation, Washington DC.
3. Tobolsky, A.V. and Andrews, R.D. (1945) J..Chem. Phys.
13, 3
4. Tschoegl, N. (1989) The Phenomenological Theory of Linear Viscoelastic Behavior, Springer-Verlag, Berlin.
5. Feny, J.D. (1980) Viscoelastic Properties of Polymers, J. Wiley, New York, 3rd ed.