1. See for instance : A.J. Leadbetter and R.E. Lechner in “The Plastically Crystalline State”, Ed. J.N. Sherwood, J. Wiley and Sons (1979), p.285–320.
2. W. Press, A. Huller, H. Stiller, W. Stirling and R. Currat, Phys. Rev. Letters, 32, 1354 (1974).
3. H. Cailleau, A. Heidemann and C.M.E. Zeyen, J. Phys. C : Solid State Phys. 12, L411 (1979).