1. R. W. Evans and B. Wilshire: ‘Introduction to creep’, 22; 1993, London, Institute of Materials.
2. H. J. Frost and M. F. Ashby: ‘Deformation mechanism maps’; 1982, New York, Pergamon Press.
3. A. H. Cottrell: ‘Mechanical properties of matter’, 196; 1964, New York, Wiley.
4. F. R. N. Nabarro: ‘Report on the conference on the strength of solids’, 75; 1948, London, The Physical Society.
5. A Model for Boundary Diffusion Controlled Creep in Polycrystalline Materials