1. Ilschner, B., Hochtemperatur-Plastizität, Warmfestigkeit und Warmverformbarkeit metallischer Werkstoffe, Springer-Verlag, Heidelberg, 1973, S. 275
2. Walker, K.P., Research and Development Program for Nonlinear Structural Modeling with Advanced Time-Temperature Dependent Constitutive Relationships, NASA-Report CR 165533, Nov 1981
3. Cords, H., Kleist, G. and Zimmermann, R., Plasticity – A Limiting Case of Creep, Res Mechanica Vol. 22(1987)No 2 to be published, also JÜL-Spez-379
4. Orowan, E.: J. West Scotland Iron and Steel Inst. 54(1946/47)45
5. Mitra, S.K. and Mc Lean, D., Proc. R. Soc. A 295(1966)1442