1. The Plastically Crystalline State edited by Sherwood J.N., John Wiley & Sons (1979).
2. Leadbetter A.J. and Lechner R.E., in The Plastically Crystalline State edited by Sherwood J.N., John Wiley & Sons (1979) p.285.
3. Sherwood J.N., in The Plastically Crystalline State edited by Sherwood J.N., John Wiley & Sons (1979) p.39.
4. NATO ASI Series;AV Chadwick,1983
5. Pethrick R.A., in The Plastically Crystalline State edited by Sherwood J.N., John Wiley & Sons (1979) p.334;